Evaluation of a Safety System Using Its Technologies for Streetcar Stops Without Safety Barriers. - Takashi Omatsu; Nobuaki Ohmori; Shuichi Matsumoto; Kenji Okamura; Yasuhiko Kumagai; Noboru Harata (Int. J. Intell. Transp. Syst. Res., 2011)

Master-Slave Control Method for Hydraulic Excavator. - Hiroshi Yoshinada; Kenji Okamura; Shinichi Yokota (J. Robotics Mechatronics, 2012)