Controllable water particle display. - Shin'ichiro Eitoku; Kotaro Hashimoto; Tomohiro Tanikawa (Advances in Computer Entertainment Technology, 2006)

Sharelog: digital public art interaction by using "Suica". - Kotaro Hashimoto; Yasuhiro Suzuki; Tomohiro Tanikawa; Toshio Iwai; Michitaka Hirose (Advances in Computer Entertainment Technology, 2006)

Study on Public User Interface. - Atsushi Hiyama; Kotaro Hashimoto; Tomohiro Tanikawa; Michitaka Hirose (HCI (9), 2007)

Term Weighting Classification System Using the Chi-square Statistic for the Classification Subtask at NTCIR-6 Patent Retrieval Task. - Kotaro Hashimoto; Takashi Yukawa (NTCIR, 2007)

MyTree: a entertainment system of lifelog visualization. - Shin Seol; Yamaguchi Masahiro; Kotaro Hashimoto; Tomohiro Tanikawa; Toshio Iwai; Michitaka Hirose (SIGGRAPH Posters, 2007)

Walking Assistance and Resistance of Walking Motion by Trunk and Pelvis Motion Assist. - Kotaro Hashimoto; Takayuki Tanaka; Takashi Kusaka (IROS, 2018)