Integrated flexible microactuator systems. - Koichi Suzumori; Akihiro Koga; Fumika Kondo; Riyoko Haneda (Robotica, 1996)

Electrostatic linear micro actuator with vibrating motion (application to the focusing mechanism of a miniature CCD camera). - Akihiro Koga; Koichi Suzumori; Toyomi Miyagawa; Masayuki Sekimura (Adv. Robotics, 1997)

Electric contact stability of anti-wear probes. - Yasushi Tomizawa; Yongfang Li; Akihiro Koga; Hiroshi Toshiyoshi; Yasuhisa Ando; Gen Hashiguchi; Hiroyuki Fujita (IEICE Electron. Express, 2012)