Unattainable solutions of a fuzzy relation equation. - Hideyuki Imai; Ken Kikuchi; Masaaki Miyakoshi (Fuzzy Sets Syst., 1998)

Analysis of Gate-Voltage Clipping Behavior on Class-F and Inverse Class-F Amplifiers. - Hiroshi Yamamoto; Ken Kikuchi; Norihiko Ui; Kazutaka Inoue; Valeria Vadalà; Gianni Bosi; Antonio Raffo; Giorgio Vannini (BCICTS, 2018)

Feasibility Study of InAlN/GaN HEMT for sub-6 GHz Band Applications. - Kazutaka Inoue; Kenta Sugawara; Ken Kikuchi; Isao Makabe; Hiroshi Yamamoto (BCICTS, 2019)

Analysis of Efficiency-Limiting Factors Resulting from Transistor Current Source on Class-F and Inverse Class-F Power Amplifiers. - Hiroshi Yamamoto; Ken Kikuchi; Valeria Vadalà; Gianni Bosi; Antonio Raffo; Giorgio Vannini (IEICE Trans. Electron., 2022)

A New Calibration Technique of Electromagnetic Simulators for Accurate Analyses of Microwave Components on Epitaxial Wafers. - Ken Kikuchi; Antonio Raffo; Valeria Vadalà; Gianni Bosi; Giorgio Vannini; Hiroshi Yamamoto (IEEE Access, 2024)

Pneumatic Plantar Stimulation Device Replicating Manual Therapy Improves Lateral Stability in Standing Posture. - Qi An; Hiroyuki Hamada; Shigeki Maruta; Yuki Abe; Kenichi Takada; Ken Kikuchi; Hiroshi Yamakawa; Hajime Asama; Atsushi Yamashita (J. Robotics Mechatronics, 2024)

Erratum for "Pneumatic Plantar Stimulation Device Replicating Manual Therapy Improves Lateral Stability in Standing Posture" (Vol.36, pp. 813-822, 2024). - Qi An; Hiroyuki Hamada; Shigeki Maruta; Yuki Abe; Kenichi Takada; Ken Kikuchi; Hiroshi Yamakawa; Hajime Asama; Atsushi Yamashita (J. Robotics Mechatronics, 2025)