論文

• 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.
• 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.
• 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. 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.

国際会議発表 (査読有り)

• 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.

国内会議発表 (査読有り)

• 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.
• 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.
• Yuta Ishikawa, Takashi Tomura, Jiro Hirokawa. Excitation by Metal Posts of Square-arrangement Slot Antennas in Alternating-phase Feed Parallel-plate Waveguide, Intl. Symp. Antennas Propag., Jan. 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, Intl. Symp. Antennas Propag., 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.

国内会議発表 (査読なし・不明)

• 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.
• 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.
• 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.
• 石川裕太, 戸村崇, 廣川二郎. 逆相給電平行平板導波路スロットアレーアンテナの設計, 信学総大, Mar. 2021.
• 櫻井壮一, 戸村崇, 廣川二郎, 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, 信学総大, Mar. 2021.
• 原慶城, 廣川二郎, 戸村崇. 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.
• 友利優希, Wang Tianyu, 廣川二郎, 戸村崇. 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.
• 黒瀬瑞輝, 廣川二郎, 戸村崇. 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.
• 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.

特許など

• 戸村崇, 廣川二郎, 藤原　暉雄　, 古川　実　. レクテナ装置. 特許. 公開. 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.

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