Takashi Tomura

According to our database, Takashi Tomura authored at least 32 papers between 2014 and 2024.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2024

Effective Design of an Array of Coupling Slots With a Reflection-Canceling Wall for a Parallel-Plate Slot Array Antenna.

Tianyu Wang, Takashi Tomura, Jiro Hirokawa

IEEE Access, 2024

Stretchable-Substrate-Impregnated Fabric: Deployable Reflectarray Antennas for CubeSats.

Masato Machida, Takashi Tomura, Hiraku Sakamoto, Tomohiro Fukao

IEEE Access, 2024

An Inverted-L Monopole Array With High Beam Coverage for Antenna-in-Package Modules at the 151.5-164 GHz Band.

Alberto Hernández-Escobar, Takashi Tomura, Ryosuke Hasaba, Hiroshi Taneda, Issei Watanabe

IEEE Access, 2024

A 28GHz 5G NR Wirelessly Powered Relay Transceiver Using Rectifier-Type 4th-Order Sub-Harmonic Mixer.

Sena Kato, Shu Date, Tao Ruoxin, Yasuto Narukiyo, Hiroki Hayashi, Keito Yuasa, Michihiro Ide, Takashi Tomura, Kenichi Okada, Atsushi Shirane

Proceedings of the IEEE Symposium on VLSI Technology and Circuits 2024, 2024

2023

A Low-Power 256-Element Ka-Band CMOS Phased-Array Receiver With On-Chip Distributed Radiation Sensors for Small Satellite Constellations.

Xi Fu, Dongwon You, Xiaolin Wang, Yun Wang, Carolyn Jill Mayeda, Yuan Gao, Michihiro Ide, Yuncheng Zhang, Jun Sakamaki, Ashbir Aviat Fadila, Zheng Li, Jumpei Sudo, Makoto Higaki, Soichiro Inoue, Takashi Eishima, Takashi Tomura, Jian Pang, Hiroyuki Sakai, Kenichi Okada, Atsushi Shirane

IEEE J. Solid State Circuits, December, 2023

A Center-Fed Dual-Polarized Parallel-Plate Waveguide Slot Array Antenna Based on a Feeding Waveguide With Centered Longitudinal Feeding Slots.

Huanqian Xiong, Jiro Hirokawa, Takashi Tomura

IEEE Access, 2023

A Two-Dimensional 6×4-Way Hollow Waveguide Beam-Switching Matrix.

Qi Li, Jiro Hirokawa, Takashi Tomura, Yuta Takahashi, Naoki Kita, Nelson J. G. Fonseca

IEEE Access, 2023

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.

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

Proceedings of the IEEE International Solid- State Circuits Conference, 2023

A 2.95mW/element Ka-band CMOS Phased-Array Receiver Utilizing On-Chip Distributed Radiation Sensors in Low-Earth-Orbit Small Satellite Constellation.

Xi Fu, Dongwon You, Xiaolin Wang, Michihiro Ide, Yuncheng Zhang, Jun Sakamaki, Ashbir Aviat Fadila, Zheng Li, Yun Wang, Jumpei Sudo, Makoto Higaki, Soichiro Inoue, Takashi Eishima, Takashi Tomura, Jian Pang, Hiroyuki Sakai, Kenichi Okada, Atsushi Shirane

Proceedings of the IEEE International Solid- State Circuits Conference, 2023

2022

Design for Operation in Two Frequency Bands by Division of the Coupled Region in a Waveguide 2-Plane Coupler.

Shihao Chen, Takashi Tomura, Jiro Hirokawa, Kota Ito, Mizuki Suga, Yushi Shirato, Daisei Uchida, Naoki Kita

IEICE Trans. Electron., December, 2022

Control of Radiation Direction in an Aperture Array Excited by a Waveguide 2-Plane Hybrid Coupler.

Yuki Sunaguchi, Takashi Tomura, Jiro Hirokawa

IEICE Trans. Commun., August, 2022

A Wideband and High-Gain All-Metallic Perpendicular-Corporate-Fed Multi-Layered Parallel-Plate Slot Array Antenna.

Shuang Ji, Jiro Hirokawa, Takashi Tomura

IEEE Access, 2022

2021

Control of 120-GHz-Band Split Ring Resonator Filter by Coupling Lattice Pattern Substrate.

Koichiro Itakura, Akihiko Hirata, Masato Sonoda, Taiki Higashimoto, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu

IEICE Trans. Electron., 2021

Transmission Characteristics Control of 120 GHz-Band Bandstop Filter by Coupling Alignment-Free Lattice Pattern.

Akihiko Hirata, Koichiro Itakura, Taiki Higashimoto, Yuta Uemura, Tadao Nagatsuma, Takashi Tomura, Jiro Hirokawa, Norihiko Sekine, Issei Watanabe, Akifumi Kasamatsu

IEICE Trans. Electron., 2021

Proof-of-Concept on Misalignment Compensation for 5.8-GHz-Band Reflectarray Antennas by Varactor Diodes.

Keisuke Omoto, Takashi Tomura, Hiraku Sakamoto

IEEE Access, 2021

2020

Development and Performance Evaluation of Small SAR System for 100-kg Class Satellite.

Pyne Budhaditya, Hirobumi Saito, Prilando Riziki Akbar, Jiro Hirokawa, Takashi Tomura, Koji Tanaka

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2020

Experimental Evaluation of Intersymbol Interference in Non-Far Region Transmission using a Large Array Antenna in the Millimeter-Wave Band.

Tuchjuta Ruckkwaen, Takashi Tomura, Kiyomichi Araki, Jiro Hirokawa, Makoto Ando

IEICE Trans. Commun., 2020

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.

Haruka Arakawa, Takashi Tomura, Jiro Hirokawa

IEICE Trans. Commun., 2020

Transmission Enhancement in Rectangular-Coordinate Orthogonal Multiplexing by Excitation Optimization of Slot Arrays for a Given Distance in the Non-Far Region Communication.

Ryotaro Ohashi, Takashi Tomura, Jiro Hirokawa

IEICE Trans. Commun., 2020

8 × 2-Element 60-GHz-Band Circularly Polarized Post-Wall Waveguide Slot Array Antenna Loaded With Dipoles.

Takashi Tomura, Yuta Saito, Jiro Hirokawa

IEEE Access, 2020

Novel Unmanned Aerial Vehicle-Based Line-of-Sight MIMO Configuration Independent of Transmitted Distance Using Millimeter Wave.

Naoki Matsumura, Kentaro Nishimori, Ryotaro Taniguchi, Takefumi Hiraguri, Takashi Tomura, Jiro Hirokawa

IEEE Access, 2020

Laser-Drilled All-Dielectric Huygens' Transmit-Arrays as 120 GHz Band Beamformers.

Mohamed K. Emara, Sonya K. Stuhec-Leonard, Takashi Tomura, Jiro Hirokawa, Shulabh Gupta

IEEE Access, 2020

2019

Wideband Design of a Short-Slot 2-Plane Coupler by the Mode Matching/FEM Hybrid Analysis Considering the Structural Symmetry.

Masahiro Wakasa, Dong-Hun Kim, Takashi Tomura, Jiro Hirokawa

IEICE Trans. Commun., 2019

A PCB-Integratable Metal Cap Slot Antenna for 60-GHz Band Mobile Terminals.

Takashi Tomura, Haruhisa Hirayama, Jiro Hirokawa

IEICE Trans. Commun., 2019

Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array.

Hisanori Irie, Takashi Tomura, Jiro Hirokawa

IEICE Trans. Commun., 2019

A 20-GHz-Band 64 × 64 Hollow Waveguide Two-Dimensional Butler Matrix.

Takashi Tomura, Dong-Hun Kim, Masahiro Wakasa, Yuki Sunaguchi, Jiro Hirokawa, Kentaro Nishimori

IEEE Access, 2019

Development of Compact SAR Systems for Small Satellite.

Hirobumi Saito, Koichi Ijichi, Jiro Hirokawa, Takashi Tomura, Prilando Rizki Akbar, Pyne Budhaditya, Koji Tanaka, Makoto Mita, Tomoki Kaneko, Hiromi Watanabe

Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Millimeter Wave Antenna for Information Shower: Design Choices and Performance.

Sergio Barberis, Daniele Disco, Roberto Vallauri, Takashi Tomura, Jiro Hirokawa

Proceedings of the European Conference on Networks and Communications, 2019

2018

A Compact Multi-Beam End-Fire Circularly Polarized Septum Antenna Array for Millimeter-Wave Applications.

Xiaohe Cheng, Yuan Yao, Takashi Tomura, Jiro Hirokawa, Tao Yu, Junsheng Yu, Xiaodong Chen

IEEE Access, 2018

Millimeter-Wave Frequency Beam Scanning Array With a Phase Shifter Based on Substrate-Integrated-Waveguide.

Xiaohe Cheng, Yuan Yao, Takashi Tomura, Jiro Hirokawa, Tao Yu, Junsheng Yu, Xiaodong Chen

IEEE Access, 2018

2017

Simultaneous Optimal Design Method of Primary Radiator and Main Reflector for Shaped Beam Antennas.

Takashi Tomura, Michio Takikawa, Yoshio Inasawa, Hiroaki Miyashita

IEICE Trans. Commun., 2017

2014

A Wideband 16×16-Element Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band.

Takashi Tomura, Jiro Hirokawa, Takuichi Hirano, Makoto Ando

IEICE Trans. Commun., 2014