Journal Paper

• Yaxiang Wu, Takashi Tomura, Jiro Hirokawa, Miao Zhang. A Wideband Full-Metal Sidewall-Loaded Magnetoelectric Dipole Array Based on Combined Ridge and Groove Gap Waveguides in the Q-Band, IEEE Trans. Antennas Propag., vol. 71, no. 7, pp. 6156 - 6161, July 2023.
• Yoshihiko AKAMINE, Takashi TOMURA, Jiro HIROKAWA. Single-Cut Scattered Field Transformation Applicable for Differences in the Radar Ranges of Transmitter and Receiver, IEEE Transactions on Antennas and Propagation, Vol. 71, No. 6, pp. 5310−5321, June 2023.
• Shuang Ji, Jiro Hirokawa, Takashi Tomura, Hirobumi Saito. X-band grating-loaded parallel-plate slot array antenna with low reflection, IEICE Commun. Express, Vol. 12, No. 6, pp. 277-281, June 2023.
• Yaxiang Wu, Jiro Hirokawa, Takashi Tomura. Gap Waveguide With Interleaved Pins for Higher-Frequency Fabrication, URSI RADIO SCIENCE LETTERS, Vol. 4, Jan. 2023.

International Conference (Reviewed)

• Haruki Kurokawa, Gen Nakayama, Yuki Takeda, Takashi Tomura, Hiraku Sakamoto. Design of a Planar Beam-Tilt Array for Primary Radiators of CubeSat-Onboard Reflectarray, 2023 IEEE International Symposium On Antennas And Propagation (ISAP), Oct. 2023.
• Gen Nakayama, Takashi Tomura. Design of Center Radiation Slot for Radial Line Slot Antenna, 2023 IEEE International Symposium On Antennas And Propagation (ISAP), Oct. 2023.
• Gen Nakayama, Motoki Moritani, Takashi Tomura, Hiraku Sakamoto, Shuhei Koike, Taichi Oshino, Yoshiki Mitsumoto, Kazuki Nagai, Sora Kanamaru, Takumi Sato, Haruki Kurokawa, Soma Saito, Atsuki Ochi, DELBURG PANES MITCHAO, Shinya Tamura, Yuki Takeda, Toranosuke Yanagi, Yuki Takeda, Koichi Kidani, Kota Toyoda, So Yeon Suk, Mitsuhiko Yasuhara, Koudai Suzuki, Riku Maeda, Sota Kume, Atsushi Shirane, Kenichi Okada. Space Demonstration of Two-layer Pop-up Origami Deployable Membrane Reflectarray, Small Satellite Conference 2023, Aug. 2023.
• Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa. Radar Cross-section Prediction from Cylindrically Scanned Near-Field Samples Applicable for Differences in the Radar Range of the Transmitter and Receiver, IEEE AP-S URSI Intl. Symp., July 2023.
• Gen Nakayama, Haruki Kurokawa, Takashi Tomura, Hiraku Sakamoto. Design of 5.8-GHz-band Deployable Reflectarray, 2023 IEEE International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM), July 2023.
• Huanqian Xiong, Jiro Hirokawa, Takashi Tomura. Design of a Center-fed Dual-polarized Parallel Plate Slot Array Antenna, IEEE AP-S URSI Intl. Symp., July 2023.
• Yaxiang Wu, Jiro Hirokawa, Takashi Tomura. Design of a Dual-Polarized Parallel-Plate Waveguide 2×2-Slot Subarray, IEEE AP-S URSI Intl. Symp.,, TH-UB.3P.4, July 2023.
• Jiro Hirokawa, Renkai Zhao, Takashi Tomura. Feasibility of a quasi-isotropic radiation pattern by a millimeter-wave three-dimensional folded monopole antenna with proximity to a metal plate, IEEE AP-S URSI Intl. Symp., July 2023.
• Dongwon You, Xi Fu, Xiaolin Wang, Yuan Gao, Wenqian Wang, Jun Sakamaki, Hans Herdian, Sena Kato, Michihiro Ide, Yuncheng Zhang, Ashbir Aviat fadila, Zheng Li, Chun Wang, Yun Wang, Jumpei Sudo, Makoto Higaki, Nahoka Kawaguchi, Masaya Nitta, Soichiro Inoue, Takashi Eishima, Takashi Tomura, Jian Pang, Hiroyuki Sakai, Kenichi Okada, Atsushi Shirane. A Small-Satellite-Mounted 256-Element Ka-Band CMOS Phased-Array Transmitter Achieving 63.8dBm EIRP Under 26.6W Power Consumption Using Single/Dual Circular Polarization Active Coupler, IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2023.
• Xi Fu, Dongwon You, Xiaolin Wang, Michihiro Ide, Yuncheng Zhang, Jun Sakamaki, Ashibir Aviat Fadila, Zheng Li, Yun Wang, Jumpei Sudo, Makoto Higaki, Soichiro Inoue, Takashi Eishima, Takashi Tomura, Jian Pang, Hiroyuki Sakai, Kenichi Okada, Atsushi Shirane. A 2.95mW/element Ka-band CMOS Phased-Array Receiver Utilizing On-Chip Distributed Radiation Sensors in Low Earth Orbit Small Satellite Constellation, IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2023.

International Conference (Not reviewed / Unknown)

• Rikako Yamaguchi, Jiro Hirokawa, Takashi Tomura, Minoru Inomata, Wataru Yamada. Design of a hollow-waveguide slot array antenna for a channel sounder in the 150 GHz band, Oct. 2023.
• Raisei Mizokuchi, Jun Yoneda, Takashi Tomura, Tetsuo Kodera. Magic-T design toward reduction of crosstalk effects in RF reflectometry on quantum dot, 2023 Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD2023), July 2023.

Domestic Conference (Not reviewed / Unknown)

• Rikako Yamaguchi, Jiro Hirokawa, Takashi Tomura, Minoru Inomata, Wataru Yamada. Design of a hollow waveguide slotted array antenna fed by an E-plane horn for a channel sounder, アンテナ・伝搬研究会, Nov. 2023.
• Yoshihiko Akamine, Takashi Tomura, Jiro Hirokawa. Scattered Field Transformation with Spherical Scan Applicable for Differences in the Radar Ranges of the Transmitter and Receiver, 信学技報, Nov. 2023.
• Gen Nakayama, Takashi Tomura. Feeding design of a full-corporate feed radial line slot antenna with isoflux radiation pattern, IEICE アンテナ・電波伝播研究会, Nov. 2023.
• Yoshihiko Akamine, Takashi Tomura, JIRO HIROKAWA. Prediction of Bistatic Scattered Field under Plane Wave Incidence by Using Scattered Field Transformation in Planar Scanning, 信学ソ大, Sept. 2023.
• Rikako Yamaguchi, Jiro Hirokawa, Takashi Tomura, Minoru Inomata, Wataru Yamada. Design of a hollow-waveguide slot array antenna for channel sounder in 150 GHz band, 電子情報通信学会 ソサイエティ大会, Sept. 2023.
• JIRO HIROKAWA, Qi Li, Shengjia Wu, Takashi Tomura, Nelson J. G. Fonseca. 任意のビーム数を有する1次元および2次元直交切替マトリックスの最近の進展, 信学技報, June 2023.
• Yoshihiko Akamine, Takashi Tomura, JIRO HIROKAWA. Near-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, May 2023.
• Alberto Hernandez-Escobar, Takashi Tomura. Substrate-Integrated Half-Wavelength L-Shaped Monopole for Antenna in Package Modules, 信学総大, Mar. 2023.
• Takashi Tomura, JIRO HIROKAWA. 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, 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.
• Huanqian Xiong, Jiro Hirokawa, Takashi Tomura. Design of a Probe-fed Waveguide Feeder in a Dual-polarized Parallel Plate Slot Array Antenna, IEICE General Conference 2023, 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.
• Yuki Tomori, Takashi Tomura, JIRO HIROKAWA. Design of a Circularly Polarized Parallel-plate Slot Array Antenna with Corrugations, 信学総大, Mar. 2023.
• 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.
• Yoshiki Hara, JIRO HIROKAWA, Takashi Tomura. 部分並列給電平行平板スロットサブアレーの設計, 信学総大, Mar. 2023.
• Kazuto Sasaki, JIRO HIROKAWA, Takashi Tomura. ミリ波自動車レーダ用導波管スロットサブアレーアンテナの設計, 信学総大, Mar. 2023.
• Renkai Zhao, Jiro Hirokawa, Takashi Tomura. Feasibility of a Three-dimensional Radiation Pattern by a Horizontal-plane Orthogonal Two Monopole Array near a Metal Plate, 信学総大, Mar. 2023.
• Takashi Tomura, 和田 武尚, Atsushi Shirane, Kenichi Okada, 須藤 順平, Makoto Higaki, 井上 聡一郎, 永島 隆. 26GHz帯広角ビーム走査ダイポール装荷パッチアレーの試作測定結果, 電子情報通信学会 アンテナ・伝播研究会, Mar. 2023.
• Rikako Yamaguchi, JIRO HIROKAWA, Takashi Tomura, Minoru Inomata, Wataru Yamada. 150GHz帯チャネルサウンダ用中空導波管スロットアレーアンテナの放射素子の設計, 電子情報通信学会 総合大会, Mar. 2023.
• Yoshiki Mitsumoto, Takashi Tomura, JIRO HIROKAWA, 山中大輔, 木寺信隆, 加賀谷修. Design of waveguide stacked E-plane crossed directional couplers, National Convention on Electrical and Electronic Engineering, 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.
• Haruki Kurokawa, Gen Nakayama, Yuki Takeda, Takashi Tomura, Hiraku Sakamoto. 超小型衛星搭載リフレクトアレーアンテナ一次放射器用プリント基板ビームチルトアレーの設計, 2023.

Patent

• JIRO HIROKAWA, Takashi Tomura. 無線通信方法. Patent. Published. 国立大学法人東京工業大学, 日本電信電話株式会社. 2021/07/13. 特願2021-115790. 2023/01/25. 特開2023-012257. 2023.
• Takashi Tomura, JIRO HIROKAWA. レクテナ装置. Patent. Registered. 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. 特許第7289437号. 2023/06/02 2023.

[ Save as BibTeX ]    [ Paper, Presentations, Books, Others, Degrees: Save as CSV ]    [ Patents: Save as CSV ]