Mobile robot system realizing autonomous locomotion - Combination of person following and autonomous returning. - R. Arai; Ming Ding 002; Hiroshi Takemura; Hiroshi Mizoguchi (ROBIO, 2011)

Measurement Method for the Concentration of Hydrogen Sulfide in Pore Water Applying Sensor Part of Undersea Systems. - M. Utsumi; T. Nishiyama; R. Arai; N. Nakatani; N. Iwasa; Y. Tsukahara; K. Otsuka (ICETET, 2012)