Takashi Tomura

Publication Activity (10 Years)

Years Active: 2014-2024
Publications (10 Years): 30

Top Topics

Millimeter Wave

Top Venues

IEICE Trans. Commun.

IEICE Trans. Electron.

Publications

Masato Machida, Takashi Tomura, Hiraku Sakamoto, Tomohiro Fukao
Stretchable-Substrate-Impregnated Fabric: Deployable Reflectarray Antennas for CubeSats. IEEE Access 12 (2024)
Tianyu Wang, Takashi Tomura, Jiro Hirokawa
Effective Design of an Array of Coupling Slots With a Reflection-Canceling Wall for a Parallel-Plate Slot Array Antenna. IEEE Access 12 (2024)
Alberto Hernández-Escobar, Takashi Tomura, Ryosuke Hasaba, Hiroshi Taneda, Issei Watanabe
An Inverted-L Monopole Array With High Beam Coverage for Antenna-in-Package Modules at the 151.5-164 GHz Band. IEEE Access 12 (2024)
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. ISSCC (2023)
Qi Li, Jiro Hirokawa, Takashi Tomura, Yuta Takahashi, Naoki Kita, Nelson J. G. Fonseca
A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix. IEEE Access 11 (2023)
Huanqian Xiong, Jiro Hirokawa, Takashi Tomura
A Center-Fed Dual-Polarized Parallel-Plate Waveguide Slot Array Antenna Based on a Feeding Waveguide With Centered Longitudinal Feeding Slots. IEEE Access 11 (2023)
Xi Fu, Dongwon You, Xiaolin Wang, Yun Wang, Carolyn Jill Mayeda, Yuan Gao, Michihiro Ide, Yuncheng Zhang, Jun Sakamaki, Ashibir Aviat Fadila, Zheng Li, Jumpei Sudo, Makoto Higaki, Soichiro Inoue, Takashi Eishima, Takashi Tomura, Jian Pang, Hiroyuki Sakai, Kenichi Okada, Atsushi Shirane
A Low-Power 256-Element Ka-Band CMOS Phased-Array Receiver With On-Chip Distributed Radiation Sensors for Small Satellite Constellations. IEEE J. Solid State Circuits 58 (12) (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. ISSCC (2023)
Shihao Chen, Takashi Tomura, Jiro Hirokawa, Kota Ito, Mizuki Suga, Yushi Shirato, Daisei Uchida, Naoki Kita
Design for Operation in Two Frequency Bands by Division of the Coupled Region in a Waveguide 2-Plane Coupler. IEICE Trans. Electron. (12) (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 10 (2022)
Yuki Sunaguchi, Takashi Tomura, Jiro Hirokawa
Control of Radiation Direction in an Aperture Array Excited by a Waveguide 2-Plane Hybrid Coupler. IEICE Trans. Commun. (8) (2022)
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. (10) (2021)
Koichiro Itakura, Akihiko Hirata, Masato Sonoda, Taiki Higashimoto, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu
Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate. IEICE Trans. Electron. (3) (2021)
Keisuke Omoto, Takashi Tomura, Hiraku Sakamoto
Proof-of-Concept on Misalignment Compensation for 5.8-GHz-Band Reflectarray Antennas by Varactor Diodes. IEEE Access 9 (2021)
Pyne Budhaditya, Hirobumi Saito, Prilando Riziki Akbar, Jiro Hirokawa, Takashi Tomura, Koji Tanaka
Development and Performance Evaluation of Small SAR System for 100-kg Class Satellite. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 13 (2020)
Takashi Tomura, Yuta Saito, Jiro Hirokawa
8 × 2-Element 60-GHz-Band Circularly Polarized Post-Wall Waveguide Slot Array Antenna Loaded With Dipoles. IEEE Access 8 (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 Trans. Commun. (10) (2020)
Mohamed K. Emara, Sonya K. Stuhec-Leonard, Takashi Tomura, Jiro Hirokawa, Shulabh Gupta
Laser-Drilled All-Dielectric Huygens' Transmit-Arrays as 120 GHz Band Beamformers. IEEE Access 8 (2020)
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 Trans. Commun. (2) (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 Trans. Commun. (9) (2020)
Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, Jiro Hirokawa
Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave. IEEE Access 8 (2020)
Hisanori Irie, Takashi Tomura, Jiro Hirokawa
Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array. IEICE Trans. Commun. (1) (2019)
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 Trans. Commun. (5) (2019)
Takashi Tomura, Haruhisa Hirayama, Jiro Hirokawa
A PCB-Integratable Metal Cap Slot Antenna for 60-GHz Band Mobile Terminals. IEICE Trans. Commun. (2) (2019)
Hirobumi Saito, Koichi Ijichi, Jiro Hirokawa, Takashi Tomura, Prilando Rizki Akbar, Pyne Budhaditya, Koji Tanaka, Makoto Mita, Tomoki Kaneko, Hiromi Watanabe
Development of Compact SAR Systems for Small Satellite. IGARSS (2019)
Takashi Tomura, Dong-Hun Kim, Masahiro Wakasa, Yuki Sunaguchi, Jiro Hirokawa, Kentaro Nishimori
A 20-GHz-Band 64 × 64 Hollow Waveguide Two-Dimensional Butler Matrix. IEEE Access 7 (2019)
Sergio Barberis, Daniele Disco, Roberto Vallauri, Takashi Tomura, Jiro Hirokawa
Millimeter Wave Antenna for Information Shower: Design Choices and Performance. EuCNC (2019)
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 6 (2018)
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 6 (2018)
Takashi Tomura, Michio Takikawa, Yoshio Inasawa, Hiroaki Miyashita
Simultaneous Optimal Design Method of Primary Radiator and Main Reflector for Shaped Beam Antennas. IEICE Trans. Commun. (2) (2017)
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 Trans. Commun. (4) (2014)