Studies on necessary condition of companion robot in the RAA application. - Eiichi Ohkubo; Takashi Negishi; Yasuko Oyamada; Ryuhei Kimura; Mitsuru Naganuma (CIRA, 2003)

Use of Robotic Pets in Providing Stimulation for Nursing Home Residents with Dementia. - Mitsuru Naganuma; Eiichi Ohkubo; Noriko Kato (AAATE Conf., 2015)