Multiband Automatic Tunable Antenna System Based on the Received Power of a Probe. - Makoto Higaki; Shuichi Obayashi; Hiroki Shoki (IEICE Trans. Commun., 2016)

Efficient energy beamforming for multi-device microwave wireless power transfer under Tx/Rx power constraints. - Kentaro Murata; Kohei Onizuka; Toshiya Mitomo; Makoto Higaki; Kentaro Taniguchi; Ryoko Matsuo; Tsuguhide Aoki (PIMRC, 2017)

A Tile-based 8×8 Triangular Grid Array Beamformer for 5.7 GHz Microwave Power Transmission. - Kazuki Arai; Kaili Wang; Toshiya Mitomo; Makoto Higaki; Kohei Onizuka (RWS, 2021)

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 021; Yun Wang 008; Jumpei Sudo; Makoto Higaki; Soichiro Inoue; et al. (ISSCC, 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 021; et al. (ISSCC, 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 008; Carolyn Jill Mayeda; Yuan Gao; Michihiro Ide; Yuncheng Zhang; Jun Sakamaki; Ashbir Aviat Fadila; Zheng Li 021; Jumpei Sudo; et al. (IEEE J. Solid State Circuits, 2023)

11.1 A 256-Element Ka-Band CMOS Phased-Array Receiver Using Switch-Type Quadrature-Hybrid-First Architecture for Small Satellite Constellations. - Sena Kato; Jill C. Mayeda; Keito Yuasa; Michihiro Ide; Takeshi Ota; Shu Date; Yudai Yamazaki; Xiaolin Wang; Xi Fu; Dongwon You; Makoto Higaki; Jumpei Sudo; et al. (ISSCC, 2025)

A LEO Satellite Mounted 256-Element 19 GHz CMOS Phased-Array Transmitter With On-Chip Amplitude and Phase Monitor. - Xiaolin Wang; Dongwon You; Xi Fu; Gao Yuan; Takeshi Ota; Jill C. Mayeda; Jun Sakamaki; Ashbir Aviat Fadila; Makoto Higaki; Jumpei Sudo; Hiroshi Takizawa; Masashi Shirakura; et al. (IEEE Access, 2025)