A project restarting support system using the historical log of a user's window usage. - Masaki Omata; Kei Ogasawara; Atsumi Imamiya (OZCHI, 2010)

Development of an altitude-keeping system for underwater robots using laser beams. - Fumiaki Takemura; Ryo Taba; Keita Hirayama; Suriyon Tansuriyavong; Kuniaki Kawabata; Shinichi Sagara; Kei Ogasawara (Artif. Life Robotics, 2017)