Toward a Desirable Relationship of Artificial Objects and the Elderly: From the Standpoint of Engineer and Psychologist Dialogue. - Kotaro Matsumoto; Goro Obinata (ICOST, 2007)

Evaluation of emotional influence in communicating with a robot. - Ryo Suzuki; Jaeryoung Lee; Goro Obinata; Takenori Suzuki; Kotaro Matsumoto (MHS, 2015)

Considering Mixing Process of Rocket Solid Propellant Using Mixing Transport Device Simulating Peristaltic Movement of Intestinal Tract. - Kyota Ashigaki; Akihiro Iwasaki; D. Hagiwara; Kai Negishi; Kotaro Matsumoto; Yasuyuki Yamada; Hiroto Habu; Taro Nakamura 001 (BioRob, 2018)

Algorithms for Evaluating the Matrix Polynomial I+A+A2+...+AN-1 with Reduced Number of Matrix Multiplications. - Kotaro Matsumoto; Kazuyoshi Takagi; Naofumi Takagi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2018)

Replication-based object persistence by reachability. - Kotaro Matsumoto; Tomoharu Ugawa; Hideya Iwasaki (ISMM, 2022)