Development of Oxygen Sensor Using Fiber-optics Coupler. - Eiji Toba; Masahiro Ichikawa; Junji Kazama; Toyonori Nishimatsu; Hiroaki Aizawa (J. Robotics Mechatronics, 1998)

Pano UMECHIKA: A Crowded Underground City Panoramic View System. - Ismail Arai; Maiya Hori; Norihiko Kawai; Yohei Abe; Masahiro Ichikawa; Yusuke Satonaka; Tatsuki Nitta; Tomoyuki Nitta; Harumitsu Fujii; Masaki Mukai; Soichiro Horimi; Koji Makita; et al. (DCAI, 2010)