Journal Paper

• Tuchjuta Ruckkwaen, Takashi Tomura, Jiro Hirokawa. Short-Range Transmission Improvement by Dog-Bone Cross-Slot Feed in Radial Line Slot Antenna, IEICE Commun. Express, Vol. 11, no. 6, pp. 257-262, June 2022.
• Shuang Ji, Jiro Hirokawa, Takashi Tomura. A Wideband and High-Gain All-Metallic Perpendicular-Corporate-Fed Multi-Layered Parallel-Plate Slot Array Antenna, IEEE Access, vol. 10, pp. 38000-38011, Apr. 2022.
• Shuang Ji, Takashi Tomura, Jiro Hirokawa. Fast Analysis and Bandwidth Enhancement of the Radiating Subarray by Method of Moments for a Parallel-Plate Slot Array Antenna with Perpendicular-Corporate Feed, IEEE Trans. Antennas Propag., vol. 70, no. 4, pp. 2645-2655, Apr. 2022.
• T. Tomura, J. Hirokawa, M. Ali, G. Carpintero. Millimeter-wave multiplexed wideband wireless link using rectangular-coordinate orthogonal multiplexing (ROM) antennas, J. Lightw. Technol., vol. 39, no. 24, pp. 7821-7830, Dec. 2021.
• Akihiko Hirata, Koichiro Itakura, Taiki Higashimoto, Yuta Uemura, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu. Transmission Characteristics Control of 120 GHz-band Bandstop Filter by Coupling Alignment-Free Lattice Pattern, IEICE Trans. Electron., vol. 104, no. 10, pp. 587-595, Oct. 2021.
• S. Sakurai, J. G. N. Rahmeier, T. Tomura, J. Hirokawa, S. Gupta. Millimeter-wave Huygens' transmit-arrays based on coupled metallic resonators, IEEE Trans. Antennas Propag., vol. 69, no. 5, pp. 2686-2696, May 2021.
• N. J. G. Fonseca, S. Gomanne, P. Castillo-Tapia, O. Quevedo-Teruel, T. Tomura, J. Hirokawa. Connecting networks for two-dimensional butler matrices generating a triangular lattice of beams, IEEE J. Microw., vol. 1, no. 2, pp. 646-658, Apr. 2021.
• K. Omoto, T. Tomura, H. Sakamoto. Proof-of-concept on misalignment compensation for 5.8-GHz-band reflectarray antennas by varactor diodes, IEEE Access, vol. 9, Apr. 2021.
• K. Itakura, A. Hirata, M. Sonoda, T. Higashimoto, T. Nagatsuma, T. Tomura, J. Hirokawa, N. Sekine, I. Watanabe, A. Kasamatsu. Control of 120-GHz-band split ring resonator filter by coupling lattice pattern substrate, IEICE Trans. Electron., vol. E104-C, no. 3, pp. 102-111, Mar. 2021.
• Kouhei Jitousho, Takashi Tomura, Jiro Hirokawa. Improvement of isolation between transmitting and receiving antennas of E-plane arranged waveguide slot arrays by using layers of slit pairs with half-wavelength spacing, IEICE Communications Express, Vol.10, No.2, 93–98, Feb. 2021.
• Takashi Tomura, Jiro Hirokawa, Minoru Furukawa, Teruo Fujiwara, Naoki Shinohara. Eight-Port Feed Radial Line Slot Antenna for Wireless Power Transmission, IEEE Open J. Antennas Propagat., vol. 2, pp. 170-180, Feb. 2021.
• Takashi Tomura, Jiro Hirokawa. Anisotropic conductivity measurement by two kinds of multimode rectangular cavities, IEEE Microw. Theory Tech., vol. 69, no. 1, pp. 170-178, Jan. 2021.
• Mohamed K. Emara, Takashi Tomura, Jiro Hirokawa, Shulabh Gupta. All-Dielectric Fabry-Pérot based Compound Huygens’ Structure for Millimeter-Wave Beam-Forming, IEEE Trans. Antennas Propag., vol. 69, no. 1, pp. 273-285, Jan. 2021.
• M. K. Emara, T. Tomura, J. Hirokawa, S. Gupta. Fabry-Perot based compound all-dielectric Huygens' structure for circularly-polarized millimeter-wave beamforming, IEEE Antennas Wireless Propag. Lett., vol. 19, no. 10, pp. 1784-1788, Oct. 2020.
• Tuchjuta Ruckkwaen, Takashi Tomura, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando. Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band, IEICE Transactions on Communications, Institute of Electronics, Information and Communication Engineers, Vol. E103-B, No. 10, pp. 1136-1146, Oct. 2020.
• M. K. Emara, S. K. Stuhec-Leonard, T. Tomura, J. Hirokawa, S. Gupta. Laser-drilled all-dielectric Huygens’transmit-arrays as 120 GHz band beamformers, IEEE Access, vol. 8, pp. 153815-153825, Sept. 2020.
• K. Wada, T. Tomura, J. Hirokawa. Dual-polarized two-dimensional beam mode orthogonal multiplexing antenna system for the non-far region, IEEE Trans. Antennas Propag., vol. 68, no. 9, pp. 6614-6623, Sept. 2020.
• Haruka Arakawa, Takashi Tomura, Jiro Hirokawa. Sidelobe suppression in both the E and H planes using slit layers over a corporate-feed waveguide slot array antenna consisting of 2×2-element radiating units, IEICE TRANSACTIONS on Communications, Institute of Electronics, Information and Communication Engineers, vol. E103-B, no. 9, pp. 960-968, Sept. 2020.
• K. Ikeya, H. Sakamoto, H. Nakanishi, H. Furuya, T. Tomura, R. Ide, R. Iijima, Y. Iwasaki, K. Ohno, K. Omoto, T. Furuya, T. Hayashi, M. Kato, S. Koide, M. Kurosaki, Y. Nakatsuka, S. Okuyama, R. Kashiyama, J. Nakamura, W. Nio, T. Tsunemitsu, Y. Yamazaki, K. Taga, B. Hohmann, T. Amamoto, T. Chubachi, S. Tamura, H. Okada, A. Watanabe, N. Kawabata, T. Hori, H. Ito, T. Kuratomi, Y. Shimoda, N. Hidaka, K. Watanabe, A. Torisaka, M. Yamazaki. Significance of 3U CubeSat OrigamiSat-1 for space demonstration of multifunctional deployable membrane, Acta Astronautica, vol. 173, pp. 363-377, Aug. 2020.
• B. Pyne, H. Saito, P. R. Akbar, J. Hirokawa, T. Tomura, K. Tanaka. Development and performance evaluation of small SAR system for 100kg class satellite, IEEE J. Sel. Topics Appl. Earth Observ., vol. 13, pp. 3879-3891, July 2020.  Official location  
• A. Gomez-Torrent, T. Tomura, W. Kuramoto, J. Hirokawa, I. Watanabe, A. Kasamatsu, J. Oberhammer. A 38 dB gain, low-loss, flat array antenna for 320–400 GHz enabled by silicon-on-insulator micromachining, IEEE Trans. Antennas Propag., vol. 68, no. 6, pp. 4450-4458, June 2020.  Official location  
• T. Tomura, Y. Saito, J. Hirokawa. 8×2-element 60-GHz-band circularly polarized post-wall waveguide slot array antenna loaded with dipoles, IEEE Access, vol. 8, pp. 85950-85957, May 2020.  Official location  
• Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa. Transmission enhancement in rectangular-coordinate orthogonal multiplexing by excitation optimization of slot arrays for a given distance in the non-far region communication, IEICE TRANSACTIONS on Communications, Institute of Electronics, Information and Communication Engineers, vol. E103-B, no. 2, pp. 130-138, Feb. 2020.
• N. Matsumura, K. Nishimori, R. Taniguchi, T. Hiraguri, T. Tomura, J. Hirokawa. Novel unmanned aerial vehicle based line-of-sight mimo configuration independent of transmitted distance using millimeter wave, IEEE Access, vol. 8, pp. 11679-11691, Jan. 2020.  Official location  
• T. Tomura, D. Kim, M. Wakasa, Y. Sunaguchi, J. Hirokawa, K. Nishimori. A 20-GHz-band 64×64 hollow waveguide two-dimensional Butler matrix, IEEE Access, vol. 7, pp. 164080-164088, Nov. 2019.  Official location  
• H. Arakawa, H. Irie, T. Tomura, J. Hirokawa. Suppression of E-plane sidelobes using double slit-layers in a corporate-feed waveguide slot array antenna consisting of 2x2-element radiating units, IEEE Trans. Antennas Propag., vol. 67, no. 6, pp. 3743-3751, June 2019.  Official location  
• Masahiro Wakasa, Dong-Hun Kim, Takashi Tomura, Jiro Hirokawa. Wideband design of a short-slot 2-plane coupler by the mode matching/FEM hybrid analysis considering the structural symmetry, IEICE TRANSACTIONS on Communications, Institute of Electronics, Information and Communication Engineers, vol. E102-B, no. 5, pp. 1019-1026, May 2019.  Official location  
• Takashi Tomura, Haruhisa Hirayama, Jiro Hirokawa. A PCB-integratable metal cap slot antenna for 60-GHz band mobile terminals, IEICE TRANSACTIONS on Communications, Institute of Electronics, Information and Communication Engineers, vol. E102-B, no. 2, pp. 317-323, Feb. 2019.  Official location  
• H. Irie, T. Tomura, J. Hirokawa. Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array, IEICE Trans. Commun., vol. 102, no. 1, pp. 137-146, Jan. 2019.
• Xiaohe Cheng, Yuan Yao, Jiro Hirokawa, Takashi Tomura, Tao Yu, Junsheng Yu, Xiaodong Chen. Analysis and Design of a Wideband Endfire Circularly Polarized Septum Antenna, IEEE Trans. Antennas Propag., vol. 66, no. 11, pp. 5783-5793, Nov. 2018.  Official location  
• T. Nagayama, S. Akiba, T. Tomura, J. Hirokawa. Photonics-based millimeter-wave band remote beamforming of array-antenna integrated with photodiode using variable optical delay line and attenuator, J. Lightw. Technol., vol. 36, no. 19, pp. 4416-4422, Oct. 2018.  Official location  
• Xiaohe Cheng, Yuan Yao, Takashi Tomura, Jiro Hirokawa, Tao Yu, Junsheng Yu, Xiaodong Chen. A Compact Multi-beam End-fire Circularly Polarized Septum Antenna Array for Millimeter-Wave Applications, IEEE Access, vol. 6, pp. 62784-62792, Oct. 2018.  Official location  
• Xiaohe Cheng, Yuan Yao, Takashi Tomura, Jiro Hirokawa, Tao Yu, Junsheng Yu, Xiaodong Chen. Millimeter-wave frequency beam scanning array with a phase shifter based on substrate-integrated-waveguide, IEEE Access, vol. 6, pp. 47408-47414, Aug. 2018.  Official location  
• TOMURA Takashi, TAKIKAWA Michio, INASAWA Yoshio, MIYASHITA Hiroaki. Simultaneous Optimal Design Method of Primary Radiator and Main Reflector for Shaped Beam Antennas, IEICE Transactions on Communications, Vol. 100, No. 2, pp. 211-218, Feb. 2017.  Official location  
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. A 45° Linearly Polarized Hollow-Waveguide 16x16-Slot Array Antenna Covering 71–86 GHz Band,, IEEE Transactions on Antennas and Propagation, vol. 62, no. 10, pp. 5061-5067, Oct. 2014.
• Takashi Tomura, Jiro Hirokawa, Takuichi Hirano, Makoto Ando. A Wideband 16×16-Element Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band, IEICE Transactions on Communications, Institute of Electronics, Information and Communication Engineers, Vol. E97-B, No. 4, pp. 798-806, Apr. 2014.
• T. Tomura, Y. Miura, M. Zhang, J. Hirokawa, M. Ando. A 45-deg. Linearly Polarized Hollow-Waveguide Corporate-Feed Slot Array Antenna in the 60-GHz Band, IEEE Transactions on Antennas and Propagation, IEEE Transactions on Antennas and Propagation, Vol. 60, No. 8, pp. 3640-3646, Aug. 2012.

Book

• J. Hirokawa, T. Tomura. Millimeter-wave antennas, Antenna Engineering Handbook, McGraw-Hill Education, 5th ed., ch. 26, pp. 669-678, Dec. 2018.

International Conference (Reviewed)

• Takashi Tomura, Jiro Hirokawa, Daisuke Yamanaka, Osamu Kagaya, Nobutaka Kidera, Katsuaki Miyatani, Hisaaki Furukawa. Synthetic Fused Silica Glass Based Low Loss 60-GHz-Band H-Plane Substrate Integrated Waveguide Hybrid by Through Quartz Vias, 2022 Asia-Pacific Microwave Conference, Proceedings of 2022 Asia-Pacific Microwave Conference, The Institute of Electronics, Information and Communication Engineers, pp. 22-24, Nov. 2022.
• Huanqian Xiong, Jiro Hirokawa, Takashi Tomura. A Compact Radiating Element Consisting of a Slot and a Wall for a Dual Polarized Parallel Plate Slot Array Antenna, IEEE AP-S URSI Intl. Symp., July 2022.
• Takashi Tomura, Jiro Hirokawa, Muhsin Ali, Guillermo Carpintero. Spatial Multiplexed Wireless Communication by E-band ROM Antennas and RoF, IEEE AP-S URSI Intl. Symp., July 2022.
• Qi Li, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. A 3×3-way Hollow Waveguide Nolen Matrix Using a 2-plane Unbalanced Coupler, IEEE AP-S URSI Intl. Symp., July 2022.
• Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa. Computationally Efficient Near Field to Far Field Transformation Method for Radar Cross Section Measurements with Single Frequency, IEEE AP-S URSI Intl. Symp., July 2022.
• Yaxiang Wu, Takashi Tomura, Jiro Hirokawa, Miao Zhang. Wideband Design of an Aperture-Coupled 2 × 2-ME-Dipole Subarray Based on Gap Waveguide Technology, IEEE AP-S URSI Intl. Symp., July 2022.
• Takashi Tomura. Rectangular-Coordinate Orthogonal Multiplexing (ROM) Antennas and Radio-over-Fiber (RoF) Enabled Wideband Wireless Links, Int. Symp. Adv. Electromagn. Eng. Sci., Feb. 2022.
• Qi Li, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. Design of a Waveguide Two-plane Hybrid Coupler with Nonuniform Division, IEEE APS/URSI 2021, Dec. 2021.
• Baoquan Duan, Takashi Tomura, JIRO HIROKAWA. Transmission Progress in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays Based on the Scattering Parameters, 2021 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (APS/URSI), Dec. 2021.
• Takashi Tomura, Jiro Hirokawa. Gain evaluation of millimeter-wave-band plate-laminated-waveguide slot arrays by measured anisotropic conductivity, IEEE Int. Symp. Antennas Propag., Dec. 2021.
• Muhsin Ali, Guillermo Carpintero, Takashi Tomura, Jiro Hirokawa, Simon Nellen, Björn Globisch. Millimetre-wave Photonic Emitter Featuring a PIN-PD with WR-12 Output, Intl. Topical Meeting Microw. Photonics, Nov. 2021.
• Takashi Tomura, Soichi Sakurai, Jiro Hirokawa, Shulabh Gupta. Excitation Phase Control of Parallel-Fed Waveguide Slot Array Antenna Using Printed Circuit Board Single-Layer Structure Transmit Array, IEEE Int. Workshop Electromagnetics: Appl. Student Innovation Competition, Nov. 2021.
• Takashi Tomura, Jiro Hirokawa, Muhsin Ali, Guillermo Carpintero. Spatial Multiplexed Wideband Wireless Link Using E-band Rectangular-Coordinate Orthogonal Multiplexing (ROM) Antennas, Int. Topical Meeting Microw. Photonics, Nov. 2021.
• Yuki Tomori, Tianyu Wang, Jiro Hirokawa, Takashi Tomura. Design of a Circularly Polarized Slot Array on a Parallel-plate Waveguide fed by Longitudinal Coupling Slots with Posts, Intl. Symp. Antennas Propag., Oct. 2021.
• Shota Yamakawa, Takashi Tomura, Jiro Hirokawa. Mode-matching Analysis and Genetic Algorithm Optimization for a Two-plane Coupler by Changing the Cross-sectional Shape of the Coupling Region, Intl. Symp. Antennas Propag., Oct. 2021.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Design of a Slot Array Antenna on Alternating-phase Feed Parallel-plate Waveguide, 2021 International Symposium on Antennas and Propagation, Oct. 2021.
• Takashi Tomura, Masato Machida, Hiraku Sakamoto. Simulation Results of a Foldable Reflectarray Composed of Four Triangular Notched Patches, Int. Symp. Antennas Propag., Oct. 2021.
• Mizuki Kurose, Takashi Tomura, JIRO HIROKAWA. Reception level in a touchless ticket gate including the element pattern in the millimeter wave band waveguide slot array installed on the sides, Intl. Symp. Antennas Propag., Oct. 2021.
• Jiro Hirokawa, Shihao Chen, Takashi Tomura. Bandwidth enhancement by optimizing the cross‐sectional shape of the coupling region in a waveguide 2‐plane hybrid, ICEAA, Oct. 2021.
• Yoshiki Hara, Takashi Tomura, Jiro Hirokawa. Effect on Unloaded Q Factor by a Feeding Structure of a 330-500 GHz Band Reflection-Type Hollow Rectangular Resonator, Intl. Symp. Antennas Propag., Oct. 2021.
• . Atsushi Shirane, Takashi Tomura, Hiraku Sakamoto, Kenichi Okada. Ultra-lightweight Deployable Antenna Membrane Technology for Future Non-terrestrial 6G Network and Earth Observation, Small Satellite Conference, Aug. 2021.
• Hiroki Nishimoto, Takashi Tomura, Jiro Hirokawa. Design of a Multi-layer Circularly-polarized Element for a Corporate-feed Array Using Hexagonal and Circular Slot Layers, International Symposium on Antennas and Propagation, Jan. 2021.  Official location  
• Baoquan Duan, Takashi Tomura, Jiro Hirokawa, Miao Zhang. Transmission Enhancement in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays Based on the Scattering Parameters, Intl. Symp. Antennas Propag., Jan. 2021.
• Wataru Kuramoto, Takashi Tomura, JIRO HIROKAWA. Wideband Design of a H-plane T-junction by Shape Optimization for a Corporate-feed Circuit of a Waveguide Slot Array in the 60GHz-band, ISAP 2020, Jan. 2021.
• Kouhei Jitousho, Takashi Tomura, JIRO HIROKAWA. Rectangular-coordinate Orthogonal Multiplexing including Modulation, Intl. Symp. Antennas Propag., Jan. 2021.
• Soichi Sakurai, Takashi Tomura, Jiro Hirokawa. Suppression of Mutual Coupling between Microstrip Antenna Arrays by Antenna Decoupling Surfaces, 2020 International Symposium on Antennas and Propagation (ISAP2020), Jan. 2021.
• Budhaditya Pyne, Hirobumi Saito, Prilando Rizki Akbar, Koji Tanaka, Jiro Hirokawa, Takashi Tomura. Flight Model 7-Panel Slot-Array Deployable Antenna Measurement Results of MicroX-SAR 100kg Class Demonstration Satellite, Euro. Microw. Conf., Jan. 2021.
• Tianyu Wang, Takashi Tomura, Jiro Hirokawa. Design of Longitudinal Coupling Slots with Matching Walls for a Rectangular Parallel Plate Slot Array Antenna, Intl. Symp. Antennas Propag., Jan. 2021.
• Takashi Tomura, Jiro Hirokawa. Near-field Aperture Distribution Measurement of 8×2-element 60-GHz-Band Circularly Polarized Post-Wall Waveguide Dipole Loaded Slot Arrays, Intl. Symp. Antennas Propag., Jan. 2021.
• Tuchjuta Ruckkwaen, Takashi Tomura, Jiro Hirokawa. Transmission Enhancement for Radial Line Slot Antennas in Non-Far Region Using a Feeding Slot with Better Rotating Mode, Intl. Symp. Antennas Propag., Jan. 2021.
• Shuang Ji, Takashi Tomura, Jiro Hirokawa. Efficient Optimization for Bandwidth of the Element of a Multilayer Parallel-plate Slot Array, Intl. Symp. Antennas Propag., Jan. 2021.
• Shihao Chen, Takashi Tomura, Jiro Hirokawa, Kota Ito, Mizuki Suga, Yushi Shirato, Daisei Uchida, Naoki Kita. Design to operate in Two Frequency Bands by Division of the Coupling Region in a Waveguide 2-plane Hybrid Coupler, Intl. Symp. Antennas Propag., Jan. 2021.
• Shota Yamakawa, Takashi Tomura, Jiro Hirokawa. Mode-matching Analysis and Genetic Algorithm Optimization for an E-plane Coupler by Changing the Cross-sectional Shape of the Coupling Region, Intl. Symp. Antennas Propag., Jan. 2021.
• Mizuki Kurose, Takashi Tomura, Jiro Hirokawa. Control of the reception level in a touchless entrance control gate using the millimeter-wave band waveguide slot array installed on the sides, Intl. Symp. Antennas Propag., Jan. 2021.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Excitation by Metal Posts of Square-arrangementSlot Antennas in Alternating-phase FeedParallel-plate Waveguide, 2020 International Symposium on Antennas and Propagation, Jan. 2021.
• Jiro Hirokawa, Takashi Tomura, Kentaro Nishimori. Measurements of a 16x16-Way One-Body Two-Dimensional Beam-Switching Hollow-Waveguide Butler Matrix at 66.5 GHz, Intl. Workshop Electromagnetics, Aug. 2020.
• Panuwat Janpugdee, Takashi Tomura, Jiro Hirokawa. UTD Ray Analysis of Compact Range Gigabit Wireless Access System, IEEE Intl. Conf. Comp, Electromagnetics, Aug. 2020.
• T. Tomura, K. Omoto, H. Sakamoto. Simulation of a 5.8-GHz-band active reflectarray for non flat structures, IEEE Int. Symp. Antennas Propag. (AP-S), July 2020.
• S. Sakurai, S. Stuhec-Leonard, T. Tomura, J. Hirokawa, S. Gupta. Broadband Printed Circuit board Huygens' Metasurfaces for Millimeter-wave Beam-forming at 60 GHz using 2D Slot-Array Antennas, IEEE AP-S URSI Intl. Symp., July 2020.
• Shuang Ji, Takashi Tomura, JIRO HIROKAWA. Wideband Design of a Two-Layer Parallel-Plate Slot Array Antenna with Hollow Waveguide Corporate Feeding Network, 2020 IEEE AP-S Symposium on Antennas and Propagation and CNC/USNC-URSI joint meeting, July 2020.
• Tianyu Wang, Takashi Tomura, JIRO HIROKAWA. Full Structure Simulation of a Parallel-Plate Slot Array Antenna Panel with a Designed Waveguide Feeder Network, IEEE AP-S/URSI 2020, July 2020.
• Tuchjuta Ruckkwaen, Takashi Tomura, JIRO HIROKAWA. Short-Distance Transmission Enhancement by Baffles for a Slot Pair on Parallel Plate Waveguide, IEEE AP-S URSI Intl. Symp., July 2020.
• J. Hirokawa, T. Tomura. Two-dimensional Polarity Orthogonal Multiplexing Antenna System for Non-far Region Communication, Intl. Workshop Antennas Tech., Mar. 2020.
• Mohamed K. Emara, Takashi Tomura, Jiro Hirokawa, Shulabh Gupta. All-Dielectric Huygens' Metasurface Pair for mm-Wave Circularly-Polarized Beam-Forming, Euro. Conf. Antennas Propag., Mar. 2020.
• T. Tomura, J. Hirokawa, M. Furukawa, T. Fujiwara. Radial Line Slot Array Antenna for 5.8-GHz-Band Beam-Type Wireless Power Transmission, Euro. Conf. Antennas Propag., Mar. 2020.
• T. Tomura, J. Hirokawa. Electrically large circular polarized waveguide slot array antennas for 60-GHz-band GATE system, Progress Electromagnetics Research Symp., Dec. 2019.
• S. Chen, T. Tomura, J. Hirokawa. Optimization of the Cross-sectional Shape in a Waveguide 2-plane-Coupler with respect to Conditions on Phase Constants, Philippine-Japan Workshop Wirel. Radio Antenna Tech., Dec. 2019.
• Keisuke Ejiri, Takashi Tomura, JIRO HIROKAWA. Analysis for a Transition between Rectangular Waveguide and Groove Gap Waveguide, Philippines-Japan Workshop on Wireless, Radio and Antenna Technologies (PJWWRAT), Dec. 2019.  Official location  
• Keisuke Omoto, Takashi Tomura, Hiraku Sakamoto, JIRO HIROKAWA, MASAAKI OKUMA. Basic Study on Deformation Reconfiguration Technology for 5.8-GHz-band Reflectarray Antennas, PIERS, Dec. 2019.
• J. Hirokawa, H. Irie, T. Tomura. Progress of Perpendicular-Corporate Feed for a Multi-Layer Parallel-Plate Slot Array Antenna, IEEE Intl. Conf. Microw. Commun. Antennas Electron. Sys., Nov. 2019.
• Tianyu Wang, Takashi Tomura, JIRO HIROKAWA. Analysis of Coupling Slots with a Reflection-canceling Wall for Parallel Plate Slot Array Antenna, ISAP, Oct. 2019.
• Wataru Kuramoto, Takashi Tomura, Jiro Hirokawa, Adrian Gomez, Joachim Oberhammer. Wideband Design of a 350GHz-band Corporate-feed Waveguide Slot Array Antenna using Gold-coating Silicon Wafers with Different Thickness, ISAP, Oct. 2019.  Official location  
• Yuki Sunaguchi, Takashi Tomura, Jiro Hirokawa. Control of Radiation Direction in an Aperture Array excited by a Waveguide 2-plane Hybrid Coupler, International Symposium on Antennas and Propagation, International Symposium on Antennas and Propagation, Oct. 2019.
• Keisuke Ejiri, Takashi Tomura, JIRO HIROKAWA. Modal Analysis for Gap Waveguide Considering Structural Periodicity in Propagation Direction, International Symposium on Antennas and Propagation, Oct. 2019.  Official location  
• J. Hirokawa, T. Tomura, K. Nishimori, T. Hiraguri. A 64x64-way Two-dimensional Beam-switching Butler Matrix for Multi-beam Massive MIMO, IEEE Intl. Symp. Phased Array Sys. Tech., Oct. 2019.
• K. Itakura, Akihiko Hirata, M. Sonoda, T. Higashimoto, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, N. Sekine, Issei Watanabe, Akifumi Kasamatsu. Investigation of plasmon hybridization between slot-ring resonator absorber and lattice pattern substrate, Intl. Symp. Antennas Propag., Oct. 2019.
• Kouhei Jitousho, Takashi Tomura, JIRO HIROKAWA. Improvement of Isolation between Transmitting and Receiving Antennas of E-plane arranged Waveguide Slot Arrays by using Layers of Slit pairs with Half-wavelength Spacing, International Symposium on Antennas and Propagation, Oct. 2019.
• Takashi Tomura, Jiro Hirokawa, Minoru Furukawa, Teruo Fujiwara. Aperture distribution of RLSA for 5.8-GHz band wireless power transmission, Int. Symp. Antennas Propag., Oct. 2019.
• Takashi Tomura, Keisuke Omoto, Hiraku Sakamoto, Jiro Hirokawa. Design and Validation of a 5.8-GHz-band Active Reflectoarray on Nonflat Structures for CubeSats, ESA Antenna Workshop, Oct. 2019.
• Kentaro Wada, Takashi Tomura, JIRO HIROKAWA. Design of a Beam Switching Circuit for Rectangular-coordinate Orthogonal 4-Multiplexing in the Non-far Region with Two-dimensional 180-degree Hybrid, International Symposium on Antennas and Propagation, Oct. 2019.
• Shuang Ji, Takashi Tomura, JIRO HIROKAWA. Analysis of 2×2 Radiating Slots with Parallel-Plate Perpendicular-Corporate Feed Based on Method of Moments, International Symposium on Antennas and Propagation, Oct. 2019.
• T. Tomura, J. Hirokawa. Wideband design of feed structure for 2 × 2-element waveguide slot arrays by filter design theory, IEEE Int. Symp. Antennas Propag., July 2019.
• Mohamed K. Emara, Takashi Tomura, Jiro Hirokawa, Shulabh Gupta. Reflection-Cancelling Dielectric Huygens’ Metasurface Pair for Wideband Millimeter-Wave Beam-Forming, IEEE AP-S URSI Intl. Symp., July 2019.
• Tuchjuta Ruckkwaen, Kiyomichi Araki, Takashi Tomura, JIRO HIROKAWA, Makoto Ando. Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using 30-GHz Band Large Array Antennas, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, July 2019.
• J. Hirokawa, S. Wai, T. Tomura. Design of 48x32-slot Corporate-feed Plate-laminating Waveguide Antenna with Circular Polarization, IEEE AP-S URSI Intl. Symp., July 2019.
• Hirobumi Saito, Jiro Hirokawa, Takashi Tomura, Prilando Rizki Akbar, Budhaditya Pyne, Keiji Tanaka, Makoto Mita, Tomoki Kaneko, Hiromi Watanabe, Koichi Ijichi. Development of Compact SAR Systems for Small Satellite, IEEE Intl. Geoscience Remote Sensing Symp., July 2019.
• Sergio Barberis, Daniele Disco, Roberto Vallauri, Takashi Tomura, Jiro Hirokawa. Millimeter Wave Antenna for Information Shower: Design Choices and Performance, Euro. Conf. Networks Commun., June 2019.
• J. Hirokawa, H. Arakawa, T. Tomura. Design of H-Plane Sidelobe Suppression using a Slit Layer in a Corporate-Feed Waveguide Slot Array Antenna of 2×2-Element Radiating Units, URSI Intl. Symp. Electromagnetic Theory, May 2019.
• Shulabh Gupta, Takashi Tomura, Soichi Sakurai, Daniel King, Jiro Hirokawa. Millimeter-wave Huygens' Metasurfaces Based on All-dielectric Resonators for Antenna Beam-forming, Euro. Conf. Antennas Propag., Apr. 2019.
• Jiro Hirokawa, Takashi Tomura, Prilando Rizki Akbar, Budhaditya Pyne, Hirobumi Saito. Estimation of near Field Distribution of Seven Panels of Parallel Plate Slot Arrays for a 100Kg-Class X-band SAR Satellite, Euro. Conf. Antennas Propag., Apr. 2019.
• Jiro Hirokawa, Yuta Saito, Takashi Tomura, Kenichi Okada. Radiation of a Semi-rigid Cable Monopole Inserting into an Oscillator Chip in the 60GHz-band, IEEE International Workshop on Antenna Technology, Mar. 2019.
• Yuta Saito, Takashi Tomura, JIRO HIROKAWA, Kenichi Okada. Radiation of a Semi-Rigid Cable Monopole Antenna Inserting into a 60GHz-Band Oscillator Chip, Oct. 2018.
• Yuki Sunaguchi, Takashi Tomura, Jiro Hirokawa. Reflection Suppression in the Short-Slot 2-Plane Coupler by Step Structure, 2018 International Symposium on Antennas and Propagation, International Symposium on Antennas and Propagation, Oct. 2018.
• H. Arakawa, H. Irie, T. Tomura, Jiro Hirokawa. Suppression of E-Plane Sidelobes Using Double Slit Layers in a Corporate-Feed Waveguide Slot Array Antenna Consisting of 2×2-Element Radiating Units, Intl. Symp. Antennas Propag., Oct. 2018.
• T. Tomura, J. Hirokawa. Design of Feed and Radiation Elements for 2×2-Element Waveguide Slot Arrays by Filter Design Theory, Intl. Symp. Antennas Propag., Oct. 2018.
• Kentaro Wada, Ryotaro Ohashi, Takashi Tomura, JIRO HIROKAWA. Design of a Dual-polarized Slot Array Antenna With Monopulse Corporate-feed Waveguides for Two-dimensional Orthogonal 8-multiplexing in the Non-far Region, International Symposium on Antennas and Propagation, Oct. 2018.
• Shuki Wai, Takashi Tomura, JIRO HIROKAWA. A 112×64-element Corporate-feed Hollow-waveguide Slot Array Antenna, International Symposium on Antennas and Propagation, Oct. 2018.
• Hisanori Irie, Takashi Tomura, Jiro Hirokawa. Design of a 2×2-Element for a Perpendicular-Corporate Feed Four-layer Parallel-Plate Pair-Slot Array Antenna, International Symposium on Antennas and Propagation, ISAP, Oct. 2018.
• J. Hirokawa, D.-H. Kim, M. Wakasa, Y. Sunaguchi, T. Tomura, K. Nishimori. Measurements of a 64x64-Way One-Body Two-Dimensional Beam-Switching Hollow-Waveguide Butler Matrix, Euro. Microw. Conf., Sept. 2018.
• J. Hirokawa, T. Tomura, R. Ohashi, K. Wada. Recent Progress of Rectangular-Coordinate Orthogonal Multiplexing Antenna System for Non-Far Region Communication, IEEE Conf. Antennas Measurements Appl., Sept. 2018.
• J. Hirokawa, T. Tomura. Design of a 60GHz-band Metal Cap Antenna with Two Slots Fed by the Post-wall Waveguide, Intl. Workshop Electromagnetics, Aug. 2018.
• Takashi Tomura, JIRO HIROKAWA. DESIGN OF FEED STRUCTURE FOR 2×2-ELEMENT WAVEGUIDE SLOT ARRAYS BY FILTER DESIGN THEORY, IEEE International Symposium on Antennas and Propagation, July 2018.
• J. Hirokawa, M. Wakasa, D.-H. Kim, T. Tomura. Wideband Design of a Waveguide Short-slot Two-plane Coupler, IEEE AP-S URSI Intl. Symp., July 2018.
• Hisanori Irie, Takashi Tomura, Jiro Hirokawa. Measurement of a Perpendicular-Corporate Feed in a Three-Layered Parallel-Plate Slot Array, IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting, APS/URSI, July 2018.
• Mikihiro Aruga, Takashi Tomura, JIRO HIROKAWA. Design of a Partial-Corporate-Feed Circuit of a Waveguide Reflection-Canceling Slot Low-Sidelobe Array Antenna in the 60 GHz Band, Oct. 2017.
• Masahiro Wakasa, Dong-Hum Kim, Takashi Tomura, JIRO HIROKAWA. Mode Matching/FEM Hybrid Analysis for a Short-Slot 2-Plane Coupler Considering the Structural Symmetry, International Symposium on Antennas and Propagation, Oct. 2017.
• Ryotaro Ohashi, Takashi Tomura, JIRO HIROKAWA. Feasibility on Multiplexing Antenna System based on Rectangular-coordinate Orthogonality by using Two-dimensional 180-degree Hybrid, International Symposium on Antennas and Propagation, Oct. 2017.
• Masahiro Wakasa, Takashi Tomura, JIRO HIROKAWA. Hybrid Analysis of Mode Matching/FEM for a Waveguide Short-slot 2-plane Coupler considering the Three-dimensional Structural Symmetry, Asian Workshop on Antennas and Propagation, June 2017.
• Mikihiro Aruga, Takashi Tomura, JIRO HIROKAWA. Design of the Feeding Layer in a Waveguide Reflection-canceling Slot Array Antenna to improve the Bandwidth in the 60GHz Band, June 2017.
• Ryotaro Ohashi, Takashi Tomura, JIRO HIROKAWA. Feasibility of Antenna System for Rectangular-coordinate Orthogonality Multiplexing by using Corporate-feed Waveguide Slot Array Antenna and Monopulse Circuit, Asian Workshop on Antennas and Propagation, June 2017.
• Jiro Hirokawa, Takashi Tomura, Miao Zhang, Makoto Ando. Plate-laminated Waveguide Slot Array Antennas for Wideband and High-gain Operations, URSI General Assembly and Scientific Symposium, Aug. 2014.  Official location  
• J. Hirokawa, T. Tomura, M. Ando. 80% Antenna Efficiency Waveguide Slot Array Antenna for 71-86 GHz Fixed Wireless Access System, IEEE AP-S URSI Intl. Symp., July 2014.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. A 16×16-element Plate-laminated-waveguide Slot Array with 19.2% Bandwidth in the 60-GHz Band ., IEEE AP-S International Symposium, July 2013.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. Reflection Bandwidth Enhancement of a 2×2-element Wide Slot Sub-array on a Wall-inserted Cavity, Proc. of URSI Commission B International Symposium on Electromagnetic Theory, pp. 608-610, May 2013.
• J. Hirokawa, T. Tomura, T. Hirano, M. Ando. Wideband Design of a 2x2-slot Sub-array in a Double-layer Corporate-feed Waveguide Antenna, Euro. Conf. Antennas Propagat., Apr. 2013.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. Analysis of an X-shaped Cavity-backed Wide Slot 2×2-element Sub-array by Hybrid MoM/FEM with Numerical Eigenmode Basis Functions,, Intl. Symp. Antennas Propagat., Oct. 2012.
• T. Tomura, J. Hirokawa, T. Hirano, M. Ando. Analysis of an X-Shaped Cavity-Backed Slot 2×2-Element Sub-Array by Hybrid MoM/FEM with Numerical Eigenmode Basis Functions, IEEE AP-S International Symposium (USNC/URSI National Radio Science Meeting), Proceedings of IEEE AP-S International Symposium (USNC/URSI National Radio Science Meeting), July 2012.
• Takashi Tomura, Yohei Miura, Miao Zhang, Jiro Hirokawa, Makoto Ando. Height Reduction in a 2x2-element Sub-array for a Corporate-feed Plate-laminated-waveguide 45-degree Linearly-polarized Slot Array, International Symposium on Antennas and Propagation, Proceedings of International Symposium on Antennas and Propagation, Oct. 2011.
• Takashi TOMURA, Yohei Miura, Miao ZHANG, Jiro HIROKAWA, Makoto ANDO. 45-degree Linearly-polarized Corporate-feed Plate-laminated-waveguide Slot Array Antenna, 3nd Multidisciplinary International Student Workshop (MISW), Proceedings of 3nd Multidisciplinary International Student Workshop (MISW), p. 11, Aug. 2011.
• Takashi TOMURA, Miao ZHANG, Jiro HIROKAWA, Makoto ANDO. Plate-laminated-waveguide Corporate-feed 45-degree Linearly-polarized Aperture Array Antenna in the 60 GHz-Band, IEEE AP-S International Symposium, Proceedings of IEEE AP-S International Symposium, pp. 3048-3051, July 2011.
• Takashi Tomura, Yohei Miura, Miao Zhang, Jiro Hirokawa, Makoto Ando. Design of a 45-Degree Linearly-polarized Hollow-Waveguide Slot Two-dimensional Array Antenna with a Full-Corporate-Feed Circuit in the Lower Layer, International Symposium on Antennas and Propagation, Proceedings of International Symposium on Antennas and Propagation, Nov. 2010.

International Conference (Not reviewed / Unknown)

• Masato Machida, Raisei Mizokuchi, Jun Yoneda, Takashi Tomura, T. Kodera. Mixed-mode RF reflectometry for reduction of crosstalk effects, 2022 International Conference on Solid Device and Materials (SSDM 2022), Sept. 2022.
• Takashi Eishima, Soichiro Inoue, Akihiro Yonemoto, Jumpei Sudo, Takayuki Hosonuma, Shinichi Nakasuka, Atsushi Shirane, Takashi Tomura, Kenichi Okada, Kosuke Kiyohara. RF and Optical Hybrid LEO Communication System for Non-Terrestrial Network, IEEE International Conference on Space Optical Systems and Applications (ICSOS), Mar. 2022.
• Shuhei Koike, Motoki Moritani, Misato Ishiwata, Shinya Tamura, Kazuki Nagai, Hiraku Sakamoto, Hiroki Nakanishi, Takashi Tomura, HIROSHI FURUYA, Akihito Watanabe. Revival and Successive Operation of 3U CubeSat OrigamiSat-1 with Multifunctional Deployable Membrane, 33rd International Symposium on Space Technology and Science, Feb. 2022.
• M. Kato, H. Sakamoto, T. Tomura, M. Okuma. Phase Adjustment Algorithm for Deformation Compensation of Nonflat Reflectarray Antenna, International Symposium on Antennas and Propagation (ISAP2020), IEEE, 2022.  Official location  
• Baoquan Duan, Takashi Tomura, Jiro Hirokawa. Mutual Coupling Reduced Antenna Design for Transmission-stable Rectangular-coordinate Orthogonal Multiplexing System, IEICE General Conference, Mar. 2020.
• J. Hirokawa, H. Arakawa, T. Tomura. Design of Sidelobe Suppression using a Slit Layer in a Corporate-feed Waveguide Slot Array Antenna of 2×2-element Radiating Units, Philippine-Japan Workshop Wirel., Radio Antenna Tech., July 2019.
• Jiro Hirokawa, Takashi Tomura, Akihiko Hirata, Tadao Nagatsuma. Progress of Plate-laminated Waveguide Slot Array Antennas by Diffusion Bonding in 60GHz, 120GHz and 350GHz Bands, Asia Pacific Microw. Conf., Nov. 2018.
• Tuchjuta Ruckkwaen, Kiyomichi Araki, Takashi Tomura, JIRO HIROKAWA, Makoto Ando. Evaluation of Intersymbol Interference in Non-Far Region Transmission using 60 GHz-Band Large Array Antennas, International Symposium on Antennas and Propagation, International Symposium on Antennas and Propagation, Oct. 2018.
• Jiro Hirokawa, Takashi Tomura, Tadao Nagatsuma, Hiroyuki Seto, Yoshiyuki Inoue, Mikiko Saito. Progress of 350GHz-band Corporate-feed Plate-laminated Waveguide Slot Array Antennas, Progress in Electromagnetics Research Symp., Aug. 2018.
• J. Hirokawa, T. Tomura. Progress of Corporate-feed Plate-laminated Waveguide Slot Array Antennas in 350GHz Band, Intl. Workshop Antennas Tech., Mar. 2018.
• Tuchjuta Ruckkwaen, Makoto Ando, Takashi Tomura, Jiro Hirokawa, Maifuz Ali. Evaluation of field strength distribution by Modified Edge Representation (MER) in compact range communication with shadowing objects, International Symposium on Antennas and Propagation, Oct. 2017.
• Jiro Hirokawa, Takashi Tomura, Yohei Miura, Miao Zhang, Makoto Ando. Plate-laminated-waveguide Corporate-feed Slot Array Antennas with a Polarization Conversion Layer, IEEE International Microwave Workshop Series on Millimeter Wave Integration Technologies,, Proceedings of IEEE International Microwave Workshop Series on Millimeter Wave Integration Technologies, pp. 29-32, Sept. 2011.
• Takashi Tomura, Yohei Miura, Miao Zhang, Jiro Hirokawa, Makoto Ando. Design of a 45-degree Linearly-polarized Plate-laminating Waveguide Slot Array Antenna with a Full-corporate-feed Circuit in the Lower Layer, The International Workshop on Millimeter Wave Wireless Technology and Applications, Proceedings of The International Workshop on Millimeter Wave Wireless Technology and Applications, P-27, pp. 152-153, Dec. 2010.
• Takashi TOMURA, Yohei MIURA, Miao ZHANG, Jiro HIROKAWA, Makoto ANDO. A 4-element Sub-array of 45-degree Linearly-polarized Hollow-waveguide Slots with Full-corporate Feed, 2nd Multidisciplinary International Student Workshop (MISW), Proceedings of 2nd Multidisciplinary International Student Workshop (MISW), p. 65, Aug. 2010.

Domestic Conference (Not reviewed / Unknown)

• Yoshihiko AKAMINE, Takashi TOMURA, Jiro HIROKAWA. Monostatic to Bistatic Equivalence Theorem Applicable in the Region Closer than the Fresnel Region, 信学総大, Mar. 2023.
• Yoshihiko AKAMINE, Takashi TOMURA, Jiro Hirokawa. Near-Field to Far-Field Transformation with Cylindrical Scan for Radar Cross Section Measurements Applicable for Differences in the Radar Ranges of the Transmitter and Receiver, 信学技報, Mar. 2023.
• Shengjia Wu, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. Comparative Evaluation of Different Assignments for Post-wall 1-D Parallel Switching Matrices with Four Beams, 信学総大, Mar. 2023.
• Yuki Takeda, Takashi Tomura, Hiraku Sakamoto. Design of Reconfigurable Reflectarray Antennas on Flexible Substrate with Varactor Diodes Mounted on Slot-Coupled Microstrip Lines, 信学技報, Vol. 122, No. 441, pp. 93~96, Mar. 2023.
• Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa. Single-cut Bistatic Scattered Field Transformation by Using the Equivalence Theorem to the Monostatic Field, 信学技報, Jan. 2023.
• Yuki Tomori, Takashi Tomura, JIRO HIROKAWA. Design of a Circularly Polarized Parallel-plate Slot Array Antenna with Corrugations, 信学総大, Jan. 2023.
• Shengjia Wu, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. Assignment of Adjacent Output Phase Differences Per Input Port in One-dimensional Parallel Switching Matrices, 信学技報, Oct. 2022.
• Shengjia Wu, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. Comparative Evaluation of Different Assignments for 1-D Parallel Switching Matrices with Four Beams, 信学ソ大, Sept. 2022.
• Yuto Katsura, Takashi Tomura, Jiro Hirokawa. 方形領域に照射するポスト壁導波路スロットアレーアンテナ用給電回路の設計, 信学技報, Sept. 2022.
• Riki Yanagisawa, Jiro Hirokawa, Takashi Tomura. Design of a 150GHz-Band Reflector OmnidirectionalAntenna Using a Circular TE11-TM01 Mode Converter, 信学技報, Vol. 122, No. 182, pp. 96-99, Sept. 2022.
• Yuki Takeda, Takashi Tomura, Hiraku Sakamoto. Reflection Phase Control by Varactor Diodes for Reflectarray Antennas on Flexible Substrate, 信学技報, Sept. 2022.
• Yoshihiko Akamine, Takashi Tomura, JIRO HIROKAWA. Near Field to Far Field Transformation for Radar Cross Section Measurements by Using a Novel Weighting Factor for Cylindrical Scanning, 信学ソ大, Sept. 2022.
• Tomori Yuki, Tomura Takashi, Hirokawa Jiro. Design of a Circularly Polarized Slot Pair on a Parallel-plate Waveguide with Corrugations, 信学ソ大, June 2022.
• Yoshihiko Akamine, Takashi Tomura, JIRO HIROKAWA. 円筒波展開に基づく重み関数を用いた一次元円走査レーダ散乱断面積近傍界遠方界変換, 信学技報, June 2022.
• Qi Li, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. A 3×3-way Hollow-waveguide Nolen Matrix Using a 2-plane Coupler with Unequal Power Division, IEICE General Conf., Mar. 2022.
• Masato Machida, Raisei Mizokuchi, Jun Yoneda, Takashi Tomura, Tetsuo Kodera. ミックスモード伝送による RF 反射測定のクロストーク 低減, 第69回応用物理学会春季学術講演会, Mar. 2022.
• Baoquan Duan, Takashi Tomura, Jiro Hirokawa. Proposal of 4×4-mode Rectangular-coordinate Orthogonal Multiplexing Antenna System for the Non-far Region Communication, IEICE General Conference, Mar. 2022.
• Yuto Katsura, Takashi Tomura, JIRO HIROKAWA. 方形領域照射導波管スロットアレーアンテナの部分並列給電回路の設計, 信学総大, Mar. 2022.
• Hirobumi Saito, Takashi Tomura, JIRO HIROKAWA. 小型衛星搭載のCFRP製展開型スロットアレーアンテナ, 信学総大, Mar. 2022.
• Masashi Fujishiro, JIRO HIROKAWA, Takashi Tomura, Kentaro Nishimori. 直角座標系二次元直交多重伝送におけるサブアレー間隔拡大による伝送容量増大の基礎検討, 信学総大, Mar. 2022.
• Masashi Fujishiro, JIRO HIROKAWA, Takashi Tomura, Kentaro Nishimori. 直角座標系二次元直交多重伝送におけるサブアレー間隔拡大による伝送容量増大の基礎検討, 信学総大, Mar. 2022.
• Yaxiang Wu, Takashi Tomura, Jiro Hirokawa, Miao Zhang. Design of a Wideband Aperture-Coupled 2×2-Magnetoelectric Dipole Subarray Fed by Groove Gap Waveguide, 信学総大, Mar. 2022.
• Takashi Tomura, Dongwon You, Atsushi Shirane, Kenichi Okada, 須藤 順平, 永島 隆. 26GHz帯広角ビーム走査パッチアレーのダイポールによる反射抑圧, 電子情報通信学会 総合大会, Mar. 2022.
• Yuki Takeda, Takashi Tomura, Hiraku Sakamoto. Reflection Phase Control of Reflectarray Composed of Single Flexible Substrate, 信学総大, Mar. 2022.
• Shengjia Wu, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. Special Configurations of 1-D Parallel Switching Matrices with Four Beams, 信学総大, Mar. 2022.
• Riki Yanagisawa, Jiro Hirokawa, Takashi Tomura. Design of a Mode Converter for Feeding an Omnidirectional Antenna in 300GHz-Band, 信学総大, Mar. 2022.
• Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa. Near Field to Far Field Transformation for Radar Cross Section Measurement Based on Cylindrical Wave Expansion, 信学総大, Mar. 2022.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Design of a Circularly-polarized Crossed-slot Square-Arrangement Array Antennas on Alternating-phase Feed Parallel-plate Waveguide, アンテナ・伝播研究会(AP) / 無線電力伝送研究会(WPT), IEICE Technical Report, The Institute of Electronics, Information and Communication Engineers, vol. 121, no. 330, pp. 80-85, Jan. 2022.
• Hiroki Nishimoto, Takashi Tomura, JIRO HIROKAWA. Analysis and design of a circularly-polarized element on a parallel-plate waveguide with perpendicular corporate-feed, 電子情報通信学会，アンテナ・伝搬研究会, 信学技報, vol. 121, no. 330, pp. 86-91, Jan. 2022.  Official location  
• Takashi Tomura, JIRO HIROKAWA, Muhsin Ali, Guillermo Carpintero. 60-GHz-band Spatial Duplex Radio over Fiber by Rectangular-Coordinate Two-Dimensional Orthogonal Multiplexing, IEICE Technical Report, THE INSTITUTE OF ELECTRONICS,INFORMATION AND COMMUNICATION ENGINEERS, vol. 121, no. 273, pp. 32-36, Nov. 2021.
• Hiraku Sakamoto, Takashi Tomura, Atsushi Shirane, Kenichi Okada. 折り紙技術を用いた展開式・非平面膜面アレーアンテナの宇宙実証, 第65回宇宙科学技術連合講演会, 日本航空宇宙学会, Nov. 2021.
• Hirobumi Saito, Kosei Ishimura, Takashi Tomura, JIRO HIROKAWA, Koji Tanaka. 小型SAR衛星用の形状安定性に優れた軽量CFRP製展開パネルスロットアレイアンテナの開発(その2), 宇宙科技連, Nov. 2021.
• Yuki Tomori, Tianyu Wang, Takashi Tomura, JIRO HIROKAWA. 非傾斜スロットを用いた円偏波放射平行平板アンテナの研究, 信学技報, Oct. 2021.
• Yoshiki Hara, JIRO HIROKAWA, Takashi Tomura. テラヘルツ帯部分並列給電導波管スロットアレーのアンテナ効率と帯域に関する研究, 信学技報, Oct. 2021.
• Yuto Katsura, Takashi Tomura, JIRO HIROKAWA. 方形領域照射導波管スロットアレーアンテナの研究, 信学技報, Oct. 2021.
• JIRO HIROKAWA, Takashi Tomura, Kouhei Jitousho, Kentaro Nishimori, 竹厚善生, 赤堀耕一郎, Toru Taniguchi. モノパルス並列給電導波管スロットアレーを用いた直角座標系直交非遠方界2多重QPSK伝送, 信学通信大, Sept. 2021.
• Shota Yamakawa, Takashi Tomura, JIRO HIROKAWA. 導波管2面結合器における結合領域管軸方向の断面形状変化による広帯域化, 信学通信大, Sept. 2021.
• Hirobumi Saito, JIRO HIROKAWA, Takashi Tomura, Kosei Ishimura, Koji Tanaka. 小型合成開口レーダ衛星用のCFRP製2次元スロットアレーアンテナ, 信学通信大, Sept. 2021.
• Mizuki Kurose, Takashi Tomura, JIRO HIROKAWA. 側面に設置したミリ波帯導波管スロットアレーによる素子指向性を考慮したタッチレス改札内受信レベルの解析, 信学通信大, Sept. 2021.
• Shinya Tamura, Hiraku Sakamoto, Takashi Tomura. 「飛び出す絵本の機構を用いた宇宙展開膜面アレーアンテナ構造の提案, 2021年度日本航空宇宙学会年次大会, 日本航空宇宙学会, Sept. 2021.
• Shota Yamakawa, Takashi Tomura, Jiro Hirokawa. 導波管 2面結合器における結合領域管軸方向の断面形状変化による広帯域化, 信学技報, Sept. 2021.
• Riki Yanagisawa, Jiro Hirokawa, Takashi Tomura. Study of a Mode Converters for Feeding an Omnidirectional Antenna in 300GHz-Band, 信学技報, vol. 121, no. 191, pp. 74-77, Sept. 2021.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Design of a Square Arrangement of Circularly-polarized Crossed-slot Antennas on Alternating-phase Feed Parallel-plate Waveguide, 2021年 電子情報通信学会 ソサイエティ大会, Sept. 2021.
• Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa. An Effect of the Surface Traveling Wave on Near Field to Far Field Transformation for Radar Cross Section Measurement, 信学ソ大, Sept. 2021.
• Takashi Tomura, JIRO HIROKAWA, 山中大輔, 木寺信隆, 加賀谷修. 60GHz帯ポスト壁導波路2面結合器の設計, 信学エレ大, Sept. 2021.
• Hirobumi Saito, Kosei Ishimura, Takashi Tomura, JIRO HIROKAWA. 小型 SAR 衛星用の形状安定性に優れたCFRP製展開パネルスロットアレイアンテナの開発, 信学技報, Apr. 2021.
• Mizuki Kurose, Takashi Tomura, JIRO HIROKAWA. 側面に設置したミリ波帯導波管スロットアレーによるタッチレス改札内受信レベルの解析, 信学総大, Mar. 2021.
• Yuki Tomori, Tianyu Wang, JIRO HIROKAWA, Takashi Tomura. 26GHz帯平行平板円偏波スロットアレーアンテナの設計, 信学総大, Mar. 2021.
• Soichi Sakurai, Takashi Tomura, JIRO HIROKAWA, Shulabh Gupta. プリント基板⼀層構造トランスミットアレーによる並列給電導波管 スロットアレーアンテナの励振位相制御, The 2020 IEICE General Conference, Mar. 2021.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Design of a Slot Array Antenna in Alternating-phase Feed Parallel-plate Waveguide, 2021年 電子情報通信学会 総合大会, Mar. 2021.
• Tianyu Wang, Takashi Tomura, Jiro Hirokawa. Design of a Waveguide Feeder with Centered Longitudinal Coupling Slots for a Parallel-Plate Slot Array Antenna Panel,, 信学総大, Mar. 2021.
• Yoshiki Hara, JIRO HIROKAWA, Takashi Tomura. 330-500GHz帯反射型中空直方体共振器の給電構造による無負荷Q値への影響, 信学総大, Mar. 2021.
• Qi Li, Jiro Hirokawa, Takashi Tomura, Nelson J. G. Fonseca. Design of a 2-plane Coupler with Unequal Division, 信学総大, Mar. 2021.
• Baoquan Duan, Takashi Tomura, Jiro Hirokawa. Transmission Simulation in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays Based on the Scattering Parameters, 信学総大, Mar. 2021.
• Tuchjuta Ruckkwaen, Takashi Tomura, Jiro Hirokawa. Transmission Stability on Distance in the Near-field Region in 5.8 GHz Band Radial Line Slot Antennas Using a Dogbone Cross-slot Feed, 信学総大, Mar. 2021.
• Shiyogo Nerome, Kiyona Miyamoto, Toshihiro Chujo, Soichi Sato, Takashi Tomura, JIRO HIROKAWA, 坂本 祐二, Saburo Matunaga, ひばり開発チーム. 可変形状姿勢制御実証衛星ひばりのC&DH系および通信系のEM開発, 第64回宇宙科学技術連合講演, 日本航空宇宙学会, Oct. 2020.
• Masaki Kato, Hiraku Sakamoto, Takashi Tomura, MASAAKI OKUMA. 非平面アレーアンテナ平面度補償のための位相調整アルゴリズムの検討, 第64回宇宙科学技術連合講演会, Oct. 2020.
• Shota Yamakawa, Takashi Tomura, JIRO HIROKAWA. 導波管結合器における結合領域管軸方向の断面変化による広帯域化, 信学技報, Sept. 2020.
• Soichi Sakurai, tomura takashi, hirokawa jiro. Coupling Suppression between Microstrip Antenna Arrays with Antenna Decoupling Surface, The 2020 IEICE General Conference, Proceedings of the 2020 IEICE Society Conference, Sept. 2020.
• Wataru Kuramoto, Takashi Tomura, JIRO HIROKAWA. Wideband Design of a H-plane T-junction by Shape Optimization for Corporate-feed Circuit in a 60GHz-band Waveguide Slot Array, 電子情報通信学会ソサイエティ大会, Sept. 2020.
• Shuang Ji, Takashi Tomura, JIRO HIROKAWA. Efficient Analysis and Wideband Design of a Tripe-Layer 2×2-Element Slot Array, IEICE Society Conference 2020, Sept. 2020.
• Baoquan Duan, Takashi Tomura, Jiro Hirokawa. Transmission in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays Based on the Scattering Parameters, IEICE Society Conference 2020, Sept. 2020.
• Tuchjuta Ruckkwaen, Takashi Tomura, JIRO HIROKAWA. The Effect of Rotational Dependence on Transmission Characteristics of Radial Line Slotted Array Antennas, IEICE Society Conference, Sept. 2020.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Excitation by Metal Posts of a Square Arrangement of Slot Antennas in Alternating-Phase Feed Parallel-Plate Waveguide, アンテナ・伝播/マイクロ波研究会, IEICE Technical Report, The Institute of Electronics, Information and Communication Engineers, vol. 120, no. 171, pp. 62-65, Sept. 2020.
• Shihao Chen, Takashi Tomura, JIRO HIROKAWA, 伊藤耕大, 菅瑞紀, 白戸裕史, 内田大誠, Naoki Kita. 導波管2面ハイブリッド結合器の結合領域分割化による2周波数帯動作設計, 信学通信大, Sept. 2020.
• Hiroki Nishimoto, Takashi Tomura, JIRO HIROKAWA. Design of a Four-layer Circularly Polarized Element for a Corporate-feed Array Using Hexagonal and a Circular Slot Layers, 電子情報通信学会ソサイエティ大会, Sept. 2020.  Official location  
• Mizuki Kurose, Takashi Tomura, JIRO HIROKAWA. タッチレス改札の側面に設置したミリ波帯導波管スロットアレーによる受信レベルの制御, 信学技報, Sept. 2020.
• Hiroki Nishimoto, Takashi Tomura, JIRO HIROKAWA. A Study of a Multi-layer Circularly Polarized Element for a Waveguide Corporate-feed Array, 電子情報通信学会，アンテナ・伝搬研究会, 信学技報, vol. 120, no. 171, pp. 75-78, Sept. 2020.  Official location  
• Takashi Tomura, Keisuke Omoto, Hiraku Sakamoto. 反射位相制御によるリフレクトアレーアンテナの非平面度補償, 電子情報通信学会ソサイエティ大会, Sept. 2020.
• Akihiko Hirata, 板倉弘一朗, Takashi Tomura, JIRO HIROKAWA, Watanabe Issei, Norihiko Sekine, Akifumi Kasamatsu. 120GHz帯SRRバンドストップフィルタの透過性制御, 信学技報, May 2020.
• Keisuke Ejiri, Takashi Tomura, JIRO HIROKAWA. Floquet Modal Analysis for a Transformer from Rectangular Waveguide to Groove Gap Waveguide, 電子情報通信学会総合大会, Mar. 2020.  Official location  
• Wataru Kuramoto, Takashi Tomura, JIRO HIROKAWA. 導波管スロットアレー並列給電回路におけるH面T分岐の形状最適化, 電子情報通信学会総合大会, Mar. 2020.
• Hiroki Nishimoto, Takashi Tomura, JIRO HIROKAWA. Sequential Phase Feed by a Cross Slot to Four Spiral Slots on the Broad Wall of a Rectangular Waveguide, 電子情報通信学会総合大会, Mar. 2020.  Official location  
• Soichi Sakurai, Takashi Tomura, JIRO HIROKAWA, 城崎俊文, 脇山悟, 新帯亮. ポスト壁方形同軸線路を用いた79GHz帯並列給電マイクロストリップアンテナアレーの設計, 信学総大, Mar. 2020.
• Kouhei Jitousho, Takashi Tomura, JIRO HIROKAWA. スリット層を用いたH面配列広帯域マイクロストリップアレー送受信アンテナ間のアイソレーション向上, 信学総大, Mar. 2020.
• Kentaro Nishimori, Naoki Matsumura, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. 送受信距離に依存しない66GHz帯LoS-MIMO構成の効果, 信学総大, Mar. 2020.
• Shihao Chen, Takashi Tomura, JIRO HIROKAWA. 導波管2面ハイブリッド結合領域断面形状の最適化による広帯域化, Mar. 2020.
• 厚地穂乃佳, 加藤圭悟, Akihiko Hirata, Takashi Tomura, JIRO HIROKAWA, Watanabe Issei, Norihiko Sekine, Akifumi Kasamatsu. 120GHz帯反射型SRRバンドストップフィルタの検討, 信学総大, Mar. 2020.
• Kentaro Nishimori, Naoki Matsumura, 八九勇樹, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. ドローン搭載を目指した66GHz帯4x4LoS-MIMOを実現する構成の提案, 信学技報, Mar. 2020.
• Budhaditya Pyne, 小野寺尚人, Hirobumi Saito, JIRO HIROKAWA, Takashi Tomura, Koji Tanaka. 小型合成開口レーダ衛星用スロットアレイアンテナパネルのMATLABでの計測 (その4), 信学技報, Mar. 2020.
• Kentaro Nishimori, Naoki Matsumura, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. 送受信距離に依存しないLoS-MIMO構成を用いた66GHz帯屋外実験評価, 信学技報, Mar. 2020.
• T. Wang, T. Tomura, J. Hirokawa. Design of a Center-feed Waveguide Feeder Network for a Slot Array Antenna Panel, 信学総大, Mar. 2020.
• S. Ji, T. Tomura, J. Hirokawa. Wideband Design of a Parallel-Plate Slot Array Antenna with Hollow Waveguide Perpendicular-Corporate Feeding Network, IEICE General Conference, Mar. 2020.
• T. Ruckkwaen, T. Tomura, J. Hirokawa. Transmission Enhancement by Using Baffles for Slot Pair on Parallel Plate Waveguide, 信学総大, Mar. 2020.
• Shota Yamakawa, JIRO HIROKAWA, Takashi Tomura. Eベントとステップを組み合わせた導波管側壁支持構造の設計, 信学総大, Mar. 2020.
• Soichi Sakurai, Kouhei Jitousho, Wataru Kuramoto, Shihao Chen, Takashi Tomura, JIRO HIROKAWA. 球表面上Ψ型パッチアンテナの設計と小形化に関する検討, 信学技報, Jan. 2020.
• Keisuke Omoto, Hiraku Sakamoto, Takashi Tomura, JIRO HIROKAWA, MASAAKI OKUMA. 非平面度補償5.8GHz帯アクティブリフレクトアレーの試作と評価, 第63回宇宙科学技術連合講演会, Nov. 2019.
• Keisuke Ejiri, Takashi Tomura, JIRO HIROKAWA. Analysis for Gap Waveguide Considering Structural Periodicity and Design of Mode Converter, 電子情報通信学会，アンテナ・伝搬研究会, 信学技報, vol. 119, no. 295, pp. 35-40, Nov. 2019.  Official location  
• Takashi Tomura, JIRO HIROKAWA, Minoru Furukawa, 藤原暉雄. 5.8GHz帯ビーム型無線電力伝送用8分配受電ラジアルラインスロットアンテナ, 信学技報, Nov. 2019.
• Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. 送受信距離に依存しないアンテナ切替型LOS-MIMO, 信学技報, Nov. 2019.
• Kentaro Wada, Takashi Tomura, JIRO HIROKAWA, Akihiko Hirata. 誘電体基板装荷による並列給電導波管スロットアレーアンテナの素子間相互結合抑圧と非遠方界通信特性改善, アンテナ・伝播研究会, 信学技報, vol. 119, no. 295, pp. 41-45, Nov. 2019.  Official location  
• Yuki Sunaguchi, Takashi tomura, jiro hirokawa. Reflection Suppression of a Waveguide 2-plane Coupler considering the Two-dimensional Structural Symmetry, アンテナ・伝播研究会, 信学技報, Nov. 2019.
• Keigo Ohno, Hiraku Sakamoto, MASAAKI OKUMA, Kenichi Okada, Atsushi Shirane, Takashi Tomura, Dongwon You. 織物膜宇宙構造の収納性に関する研究, 宇宙太陽発電シンポジウム, Nov. 2019.
• Keigo Ohno, Hiraku Sakamoto, MASAAKI OKUMA, Kenichi Okada, Atsushi Shirane, Takashi Tomura, Dongwon You. フレキシブル基板を搭載した宇宙展開織物膜構造の収納性, 第５回宇宙太陽発電(SSPS)シンポジウム, Nov. 2019.
• Keisuke Ejiri, Takashi Tomura, Jiro Hirokawa. Modal Analysis Based on Floquet Modes for Gap Waveguide, 電子情報通信学会ソサイエティ大会, Sept. 2019.  Official location  
• Tianyu Wang, Takashi Tomura, JIRO HIROKAWA. Analysis and Design of a Waveguide Feeder for a Parallel Plate Slot Array Antenna, 電子情報通信学会ソサイエティ大会, Sept. 2019.
• Kentaro Wada, Takashi Tomura, JIRO HIROKAWA. 2面結合器とコルゲート導波管形移相器を用いた非遠方界2次元直交16多重伝送用ビーム切換回路の設計, 電子情報通信学会ソサイエティ大会, Sept. 2019.
• Shihao Chen, Takashi Tomura, JIRO HIROKAWA. 導波管 2 面結合器結合領域断面形状の位相定数条件最適化, 信学エレソ大, Sept. 2019.
• Takashi Tomura, JIRO HIROKAWA. 導電率測定によるミリ波帯積層薄板導波管スロットアレーの利得評価, 信学通信大, Sept. 2019.
• Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. ドローン間通信におけるアンテナ切替型ミリ波 LOS-MIMOの提案, 信学通信大, Sept. 2019.
• 板倉弘一郎, Akihiko Hirata, JIRO HIROKAWA, Takashi Tomura, 渡邊一世, 関根徳彦, Akifumi Kasamatsu. 混成共振モードを利用した120GHz帯近接無線の検討, 信学エレソ大, Sept. 2019.
• Yuki Sunaguchi, Takashi Tomura, JIRO HIROKAWA. Design of a 66GHz-band 16-beam Two-dimensional Beam-switching One-body Hollow-waveguide Butler Matrix, IEICE Society Conference, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2019.
• Takashi Tomura, JIRO HIROKAWA. 二種マルチモード直方体共振器による積層薄板導波管のミリ波帯異方性導電率測定, 信学技報, July 2019.
• JIRO HIROKAWA, Haruka Arakawa, Takashi Tomura. 2×2素子を放射単位とする並列給電導波管スロットアレーアンテナのサイドローブ抑圧, 信学技報, May 2019.
• Haruka Arakawa, JIRO HIROKAWA, Takashi Tomura. 2×2素子を放射単位とする並列給電導波管スロットアレーアンテナのスリット層装荷によるEH両面サイドローブ抑圧の検討, 信学総大, Mar. 2019.
• Yuta Saito, Takashi Tomura, JIRO HIROKAWA. 60GHz帯ダイポール装荷8×2素子円偏波ポスト壁導波路スロットアレーアンテナの設計, 信学技報, Mar. 2019.
• Keisuke Ejiri, Takashi Tomura, JIRO HIROKAWA. Mode Analysis of Gap Waveguide including the Structural Periodicity in the Propagation Direction and Mode Expression of Scattering Matrix, 電子情報通信学会総合大会, Mar. 2019.  Official location  
• Akbar Prilando Rizki, Hirofumi Saito, Koji Tanaka, Budhaditya Pyne, JIRO HIROKAWA, Takashi Tomura. 小型合成開口レーダ衛星用スロットアレイアンテナパネルのMATLABでの計測(その3), 信学技報, Mar. 2019.
• Kentaro Wada, Takashi Tomura, JIRO HIROKAWA. Design of a Beam Switching Circuit using a 2-Plane Coupler and Corrugated Phase Shifters for Two-dimensional Orthogonal 4-multiplexing in the Non-Far Region, 電子情報通信学会総合大会, Mar. 2019.
• Hiraku Sakamoto, Hiroki Nakanishi, HIROSHI FURUYA, Kosuke Ikeya, Ryo Iijima, Ryoga Ide, Keigo Ohno, Keisuke Omoto, Yohei Iwasaki, Takashi Furuya, Shigeaki Okuyama, Masaki Kato, Madoka Kurosaki, Sae Koide, Yuuki Nakatsuka, Teruaki Hayashi, Reo Kashiyama, Junya Nakamura, Wataru Nio, Tsubasa Tsunemitsu, 山崎泰, Britta Hohmann, Yusuke Ota, Keisuke Taga, Naoki Ueda, Takumi Abe, Takaya Ozawa, Takagi Ryuhei, Yuri Terada, Tadashi Nishizawa, Kazuaki Hayasaki, Kouta Gotou, Mutsuhiro Ogawa, Kazuki Manaka, Akiya Inagaki, Toowa Amamoto, Takaomi Chubachi, Sho Tamura, Hideaki Okada, Ryo Sato, Taisuke Nakano, Takuya Nakakura, Takashi Yokomatsu, Kyohei Yashima, Shotaro Yokoyama, Syota Izumiyama, Takashi Tomura, Mitsushige Oda, 鳥阪綾子, Akihito Watanabe, 川端信義, 堀利行, 伊藤裕明, 倉冨剛, 下田優弥, 日高菜奈, 坂本信臣, 内藤祐貴, 渡辺和樹, 山崎政彦. 展開構造／高速ダウンリンク技術実証機 OrigamiSat-1の打ち上げ報告, 9th UNISEC Space Takumi Conference for Practical Study of Problem Finding and Solving in Space Systems, Mar. 2019.
• Hiraku Sakamoto, Hiroki Nakanishi, HIROSHI FURUYA, Kosuke Ikeya, Ryo Iijima, Ryoga Ide, Keigo Ohno, Keisuke Omoto, Yohei Iwasaki, Takashi Furuya, Shigeaki Okuyama, Masaki Kato, Madoka Kurosaki, Sae Koide, Yuuki Nakatsuka, Teruaki Hayashi, Reo Kashiyama, Junya Nakamura, Wataru Nio, Tsubasa Tsunemitsu, 山崎泰, Britta Hohmann, Yusuke Ota, Keisuke Taga, Naoki Ueda, Takumi Abe, Takaya Ozawa, Takagi Ryuhei, Yuri Terada, Tadashi Nishizawa, Kazuaki Hayasaki, Kouta Gotou, Mutsuhiro Ogawa, Kazuki Manaka, Akiya Inagaki, Toowa Amamoto, Takaomi Chubachi, Sho Tamura, Hideaki Okada, Ryo Sato, Taisuke Nakano, Takuya Nakakura, Takashi Yokomatsu, Kyohei Yashima, Shotaro Yokoyama, Syota Izumiyama, Takashi Tomura, Mitsushige Oda, 鳥阪綾子, Akihito Watanabe, 川端信義, 堀利行, 伊藤裕明, 倉冨剛, 下田優弥, 日高菜奈, 坂本信臣, 内藤祐貴, 渡辺和樹, 山崎政彦. 展開構造／高速ダウンリンク技術実証機 OrigamiSat-1の打ち上げ報告, 9th UNISEC Space Takumi Conference for Practical Study of Problem Finding and Solving in Space Systems, Mar. 2019.
• Kouhei Jitousho, Takashi Tomura, JIRO HIROKAWA. 半波長間隔スリット層を用いたE面配列導波管スロットアレー送受信アンテナ間のアイソレーション向上, 電子情報通信学会総合大会, Mar. 2019.
• Wataru Kuramoto, Takashi Tomura, JIRO HIROKAWA, Joachim Oberhammer. 層厚が異なる構造を用いた350GHz帯並列給電導波管スロットアレーの広帯域化設計, 電子情報通信学会総合大会, Mar. 2019.
• Yuki Sunaguchi, Takashi Tomura, JIRO HIROKAWA. Control of Radiation Direction of the Aperture Array in a Waveguide 2-plane Hybrid Coupler, IEICE General Conference, 電子情報通信学会総合大会講演論文集, Mar. 2019.
• Shuang Ji, Takashi Tomura, JIRO HIROKAWA. Analysis of the 2×2 Radiating Slots with the Perpendicular Corporate-feed Based on Method of Moments, IEICE General Conference, Mar. 2019.
• Tuchjuta Ruckkwaen, Kiyomichi Araki, Takashi Tomura, JIRO HIROKAWA, Makoto Ando. Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using 30-GHz Band Large Array Antennas, IEICE General Conference, Mar. 2019.
• Tianyu Wang, Takashi Tomura, JIRO HIROKAWA. Design of the Matching Coupling Slot for Parallel Plate Waveguide with Hard Walls, 電子情報通信学会総合大会, Mar. 2019.
• Takashi Tomura, JIRO HIROKAWA, Minoru Furukawa, 藤原暉雄. 5.8GHz帯ビーム型無線電力伝送用ラジアルラインスロットアンテナ, 信学総大, Mar. 2019.
• Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. LOS-MIMO伝送とミリ波を用いたドローンMIMO中継局の伝搬環境制御, 信学技報, Jan. 2019.
• Takashi Tomura, JIRO HIROKAWA, Minoru Furukawa, 藤原暉雄. ラジアルラインスロットアンテナによる5.8GHz帯ビーム型無線電力伝送の基礎検討, 信学技報, Jan. 2019.
• Kentaro Nishimori, Naoki Matsumura, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. 無人飛行機による人工的な伝搬環境制御について, 信学技報, Jan. 2019.
• Hisanori Irie, Takashi Tomura, JIRO HIROKAWA. 垂直方向並列給電4層平行平板45度偏波スロットアレーアンテナの設計, 信学技報, Dec. 2018.
• Haruka Arakawa, Hisanori Irie, Takashi Tomura, JIRO HIROKAWA. 2×2素子を放射単位とする並列給電導波管スロットアレーアンテナのスリット層装荷によるH面サイドローブ抑圧の設計, 信学技報, Nov. 2018.
• Yuta Saito, Takashi Tomura, JIRO HIROKAWA, Kenichi Okada. 60GHz帯発振回路チップへ埋め込んだセミリジッドケーブルモノポールアンテナの放射特性, 信学技報, Nov. 2018.
• Shuki Wai, Takashi Tomura, JIRO HIROKAWA. Design of Undesired-resonance Exclusion of a Degeneration-separated Hexagonal-cross-section Waveguide Circularly Polarized Aperture Antenna, アンテナ・伝搬研究会, Nov. 2018.
• JIRO HIROKAWA, Takashi Tomura, Kentaro Nishimori. 19.55GHz帯64ビーム2次元ビーム切替一体化中空導波管バトラーマトリックスの試作, 信学通信大, Sept. 2018.
• Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, JIRO HIROKAWA. LOS-MIMO伝送を利用したドローンMIMO中継局の伝搬環境制御, 信学通信大, Sept. 2018.
• Haruka Arakawa, Hisanori Irie, Takashi Tomura, JIRO HIROKAWA. 2×2素子を放射単位とする並列給電導波管スロットアレーアンテナのスリット層装荷によるH面サイドローブ抑圧の検討, Sept. 2018.
• Kentaro Wada, Takashi Tomura, JIRO HIROKAWA. Design of a Slot Array Antenna with Monopulse Corporate-feed Waveguides for Two-dimensional Orthogonal 16-multiplexing in the Non-far Region, 電子情報通信学会ソサイエティ大会, Sept. 2018.  Official location  
• Yuta Saito, Takashi Tomura, JIRO HIROKAWA, Kenichi Okada. 60GHz帯発振回路チップに接続された厚膜誘電体上円偏波パッチアンテナの放射特性, 信学通信大, Sept. 2018.
• Hisanori Irie, Takashi Tomura, JIRO HIROKAWA. Design of a 2×2-Element for a Perpendicular-Corporate Feed Three-Layer Parallel-Plate Dual-Polarized Slot Array Antenna, 電子情報通信学会ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2018.
• Tuchjuta Ruckkwaen, Kiyomichi Araki, Takashi Tomura, JIRO HIROKAWA, Makoto Ando. Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using 60-GHz Band Large Array Antennas, IEICE Society Conference, Sept. 2018.
• Takashi Tomura, JIRO HIROKAWA. フィルタ設計理論による2×2素子導波管スロットアレーの給電構造広帯域設計, 電子情報通信学会ソサイエティ大会, Sept. 2018.
• Shuki Wai, Takashi Tomura, JIRO HIROKAWA. Undesired-resonance Exclusion of a Degeneration-separated Hexagonal-cross-section Waveguide Circularly Polarized Aperture Antenna, Sept. 2018.
• Keisuke Ejiri, Takashi Tomura, JIRO HIROKAWA. MM/FEM Hybrid Analysis for the Dispersion Characteristics of Gap Waveguide in 76GHz Band, 電子情報通信学会ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2018.  Official location  
• Soichi Sakurai, Takashi Tomura, JIRO HIROKAWA. 半波長間隔スロットペア層を装荷した導波管スロットアレーアンテナによるE面エンドファイア方向放射抑圧の基礎検討, 信学通信大, Sept. 2018.
• Soichi Sakurai, Takashi Tomura, JIRO HIROKAWA, 枚田明彦. 120GHz帯16 × 16 素子並列給電積層薄板導波管スロットアレーアンテナの広帯域設計, 信学総大, Mar. 2018.
• Yuta Saito, JIRO HIROKAWA, Takashi Tomura, Kenichi Okada. 60GHz帯発振回路チップへ埋め込んだセミリジッドケーブルモノポールアンテナの放射特性, 電子情報通信学会 総合大会, Mar. 2018.
• Kentaro Wada, Ryotaro Ohashi, Takashi Tomura, JIRO HIROKAWA. Design of a Dual-polarized Slot Array Antennawith Monopulse Corporate-feed Waveguidesfor Two-dimensional Orthogonal 8-multiplexing in the Non-far Region, アンテナ・伝播研究会, 信学技報, vol. 117, no. 490, pp. 23-26, Mar. 2018.  Official location  
• Takashi Tomura, JIRO HIROKAWA. フィルタ設計理論による2×2素子導波管スロットアレーの給電構造設計, 電子情報通信学会総合大会, Mar. 2018.
• Hisanori Irie, Takashi Tomura, JIRO HIROKAWA. Design of a 2×2-Element for Perpendicular-Corporate Feed Four-Layered Parallel-Plate Slot Array Antenna, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2018.
• Haruka Arakawa, Hisanori Irie, Takashi Tomura, JIRO HIROKAWA. 2×2素子を放射単位とする並列給電導波管スロットアレーアンテナのE面サイドローブ抑圧用2層スリット構造, Mar. 2018.
• Yuki Sunaguchi, Masahiro Wakasa, Takashi Tomura, JIRO HIROKAWA. ステップ構造によるショートスロットE面結合器の反射抑圧, 2017年電子情報通信学会総合大会, Mar. 2018.
• Shuki Wai, Takashi Tomura, JIRO HIROKAWA. A Configuration Method of Arbitrary Division Number Feeding Circuit for Cooperate-feed Waveguide Slot Array Antennas, アンテナ・伝搬研究会, Jan. 2018.
• Tatsuya Nagayama, Shigeyuki Akiba, Takashi Tomura, JIRO HIROKAWA. Millimeter-Wave Band Beamforming of Array-Antenna Integrated with Photodiode by Radio-over-Fiber Technique Using Variable Optical Delay Line, 電子情報通信学会 マイクロ波・ミリ波フォトニクス研究会, 信学技報, vol. 117, no. 409, pp. 197-202, Jan. 2018.
• Ryotaro Ohashi, Takashi Tomura, JIRO HIROKAWA. 直角座標系2次元直交多重伝送用16x16素子モノパルス並列給電導波管スロットアレーアンテナの設計, アンテナ・伝搬研究会, 信学技報, vol. 117, no. 382, pp. 111-114, Jan. 2018.
• Takashi Tomura, JIRO HIROKAWA. フィルタ設計理論による2×2素子導波管スロットアレーの設計, 電子情報通信学会，アンテナ・伝搬研究会, 信学技報, vol. 118, no. 37, pp. 17-21, 2018.
• Hisanori IRIE, Takashi TOMURA, Jiro HIROKAWA. Design of a Perpendicular-Corporate Feed in a Four-Layered Parallel-Plate Circularly-Polarized Slot Array Antenna, アンテナ・伝播研究会（A・P）, Vol. 117, No. 242, pp. 15-18, Oct. 2017.
• Hisanori IRIE, Takashi TOMURA, Jiro HIROKAWA. Design of a Circularly-Polarized 2×2-Element for Perpendicular-Corporate Feed Four-Layered Parallel-Plate Slot Array Antenna, 電子情報通信学会 ソサイエティ大会, Sept. 2017.
• Tatsuya Nagayama, Shigeyuki Akiba, Takashi Tomura, JIRO HIROKAWA. 1.3 μm帯光源と可変光遅延器を用いたRadio-over-Fiberによる40 GHz帯アンテナビーム制御, 電子情報通信学会ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2017.
• Takashi Tomura, JIRO HIROKAWA. フィルタ設計理論による導波管スロットアレーアンテナ設計の一検討, 信学通信大, Sept. 2017.
• Masahiro Wakasa, Dong-Hun Kim, Takashi Tomura, JIRO HIROKAWA. 3次元構造対称性を考慮したショートスロット2面結合器のモードマッチング有限要素法ハイブリッド解析, 信学技報, Sept. 2017.
• Shuki Wai, Takashi Tomura, JIRO HIROKAWA. Feeding Circuit Design for Arbitrary Number of Division of Corporate-feed Waveguide Slot Array Antennas, 電子情報通信学会ソサイエティ大会, Sept. 2017.
• Ryotaro Ohashi, Takashi Tomura, JIRO HIROKAWA. 直角座標系直交多重伝送用モノパルス並列給電導波管スロットアレーアンテナの励振係数設計, アンテナ・伝播研究会, 信学技報, vol. 117, no. 215, pp. 13-17, Sept. 2017.
• Haruka Arakawa, Hisanori Irie, Takashi Tomura, Jiro Hirokawa. Suppression of E-plane Sidelobes using a Slit Layer in a Corporate-feed Waveguide Slot Array Antenna consisting of 2x2-element Radiating Units, アンテナ・伝播研究会, 信学技報, vol. 117, no. 150, pp. 29-34, July 2017.
• Yuta Saito, Takashi Tomura, Jiro Hirokawa, Kenichi Okada. Basic study of a 60GHz band Semi-rigid Monopole Antenna for Inserting into an Oscillator Chip, アンテナ・伝播研究会, July 2017.
• Takashi Tomura, Haruhisa Hirayama, JIRO HIROKAWA. 60GHz帯携帯端末用ポスト壁導波路給電2素子スロットアレーアンテナの測定評価, 信学技報, vol. 117, no. 77, June 2017.
• Konstantin Koslowski, Jens Pilz, Richard Weiler, Wilhelm Keusgen, Wilhelm Keusgen, Thomas Haustein, Gia Khanh Tran, Hiroaki Ogawa, Hiroaki Nishiuchi, Takashi Tomura, Kei Sakaguchi. [Technology exhibit] 5G-MiEdge -- Millimeter-wave Edge Cloud as an Enabler for 5G Ecosystem --, SR Technical Committee, IEICE technical report, IEICE, May 2017.
• 広川 二郎, Takashi Tomura, 南方 佑介, 永妻 忠夫, 瀬戸 弘之, 井上 良幸, 加藤 邦男, 齋藤 美紀子. B-1-52 シリコンプロセスを用いた350GHz帯積層薄板接合導波路アンテナの試作(B-1.アンテナ・伝搬B(アンテナ一般),一般セッション), 電子情報通信学会ソサイエティ大会講演論文集, 一般社団法人電子情報通信学会, Vol. 2014, No. 1, pp. 52, Sept. 2014.
• JIRO HIROKAWA, Takashi Tomura, Yusuke Minamikata, Tadao Nagatsuma, Hiroyuki Seto, Yoshiyuki Inoue, 加藤邦男, Mikiko Saito. シリコンプロセスを用いた350GHz帯積層薄板接合導波路アンテナの試作, 信学通信大, Sept. 2014.
• Tatsuya Yamamoto, Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. 円偏波六角形放射開口2×2素子アレーの数値固有モード基底関数を用いたモーメント法解析, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2014.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. 45度直線偏波薄板積層導波管スロットアレーアンテナの広帯域設計, 信学技報, Nov. 2013.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. 45度直線偏波挿入壁付キャビティ上2×2素子スロットアレーの数値固有モード基底関数を用いたモーメント法解析,, 電子情報通信学会 ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2013.
• Satoshi Itou, Takashi Tomura, Miao Zhang, Makoto Ando, JIRO HIROKAWA. 12×16素子二層構造並列給電導波管スロットアレーアンテナ, 電子情報通信学会技術研究報告, vol. 113, no. 34, pp. 71-76, May 2013.
• Satoshi Itou, Takashi Tomura, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 12×16素子二層構造並列給電導波管スロットアレーアンテナ設計, 電子情報通信学会 東京支部学生会研究発表会, Mar. 2013.
• Ken Tanaka, Takashi Tomura, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 偏波共用中空導波管円形開口アレーアンテナの基礎検討, 電子情報通信学会 東京支部学生会研究発表会, Mar. 2013.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. 60 GHz帯広帯域16×16素子積層薄板導波管スロットアレー,, 電子情報通信学会 総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2013.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. 挿入壁付キャビティ上2×2素子幅広スロットサブアレーの広帯域設計, 信学通信大, Sept. 2012.
• Takashi Tomura, 広川 二郎, 平野 拓一, 安藤 真. B-1-116 挿入壁付キャビティ上2×2素子幅広スロットサブアレーの広帯域設計(B-1.アンテナ・伝播B(アンテナ一般),一般セッション), 電子情報通信学会ソサイエティ大会講演論文集, 一般社団法人電子情報通信学会, Vol. 2012, No. 1, pp. 116, Aug. 2012.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. AP2012-67,  挿入壁付キャビティ上2×2素子幅広スロットサブアレーのモーメント法解析と広帯域設計, 信学技報,, vol. 112, no. 149, pp. 213-218, July 2012.
• Takashi Tomura, JIRO HIROKAWA, Takuichi Hirano, Makoto Ando. 数値固有モード基底関数を用いたMoM/FEMハイブリッド法によるX型キャビティ付スロット2×2素子サブアレーの解析, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2012.
• Teppei Hirose, Takashi Tomura, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 94GHz帯光造形樹脂中空導波管スロットアレー用モノパルス給電回路の小型化の検討, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2012.
• Takashi Tomura, unknown unknown, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 45度直線偏波並列給電薄板積層導波管スロットアレーアンテナの放射素子低姿勢化検討, 電子情報通信学会ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2011.
• Takashi Tomura, unknown unknown, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 60GHz帯薄板積層導波管並列給電45度直線偏波放射開口アレーアンテナ, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2011.
• JIRO HIROKAWA, Miao Zhang, Yohei Miura, Takashi Tomura, Makoto Ando. 完全並列給電回路を下層に有する導波管スロットアレーアンテナの特性と課題, 信学技報, 電子情報通信学会, Sept. 2010.
• Takashi Tomura, Yohei Miura, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 完全並列給電二層構造導波管45度直線偏波スロット4素子サブアレーの設計, 電子情報通信学会ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2010.
• Takashi Tomura, Yohei Miura, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 完全並列給電回路を下層に有する45度直線偏波中空導波管スロット2次元アレーアンテナの設計, 信学技報, pp. 53-58, July 2010.
• Takashi Tomura, Miao Zhang, JIRO HIROKAWA, Makoto Ando. 内面に銅電気メッキした94GHz帯光造形樹脂中空導波管の透過特性, 電子情報通信学会総合大会, 電子情報通信学会総合大会講演論文集, Mar. 2009.
• JIRO HIROKAWA, Miao Zhang, Takashi Tomura, Makoto Ando. 内面に銅電気メッキした光造形樹脂中空導波管の94GHz帯試作, 電子情報通信学会ソサイエティ大会, 電子情報通信学会ソサイエティ大会講演論文集, Sept. 2008.
• Takashi Tomura, Takuichi Hirano, kimio sakurai, JIRO HIROKAWA, Makoto Ando, 小島和也, 永堀仁, 鳥山康弘, Toru Taniguchi. ミリ波無線キャンパスネットワークの評価に向けた無線機のBER測定, 電子情報通信学会 東京支部学生会研究発表会, 電子情報通信学会 東京支部学生会研究発表会, 電子情報通信学会, Mar. 2008.

Other Publication

• Thomas Haustein, Konstantin Koslowski, Kei Sakaguchi, Gia Khanh Tran, Takashi Tomura, Hiroaki Nishiuchi, Makoto Nakamura, Koji Takinami, Tomoya Urushihara, Daniele Disco, Roberto Vallauri, Andrea Vicentini. D4.2 ~ 5G-MiEdge test-bed integrating mmWave access, liquid RAN C-plane, and user/application centric orchestration ~, 5G-MiEdge Deliverables, 5G-MiEdge, Dec. 2018.

Patent

• Atsushi Shirane, Kenichi Okada, Takashi Tomura. フェーズドアレイアンテナ. Patent. Published. 国立大学法人東京工業大学. 2021/05/14. 特願2021-082321. 2022/11/25. 特開2022-175691. 2022.
• Takashi Tomura, JIRO HIROKAWA. 共振器特性測定方法. Patent. Published. 国立大学法人東京工業大学, AGC株式会社. 2020/10/07. 特願2020-169744. 2022/04/19. 特開2022-061671. 2022.
• Takashi Tomura, JIRO HIROKAWA. レクテナ装置. Patent. Published. 国立大学法人東京工業大学, 株式会社翔エンジニアリング. 2019/09/25. 特願2019-174233. 2021/04/01. 特開2021-052515. 2021.

Degree

• Numerical Eigenmode Analysis and Wideband Design of Hollow-Waveguide Slot Array Antennas with Corporate Feed Network,  Outline,  Doctor (Engineering),  Tokyo Institute of Technology,  2014/--/--,   
• Numerical Eigenmode Analysis and Wideband Design of Hollow-Waveguide Slot Array Antennas with Corporate Feed Network,  Thesis,  Doctor (Engineering),  Tokyo Institute of Technology,  2014/--/--, 
• Numerical Eigenmode Analysis and Wideband Design of Hollow-Waveguide Slot Array Antennas with Corporate Feed Network,  Exam Summary,  Doctor (Engineering),  Tokyo Institute of Technology,  2014/03/26,   
• Numerical Eigenmode Analysis and Wideband Design of Hollow-Waveguide Slot Array Antennas with Corporate Feed Network,  Summary,  Doctor (Engineering),  Tokyo Institute of Technology,  2014/03/26,   

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