Influence of Visual Non-verbal Information on Information Transmission to Audience. - Akihiro Tatsumi; Kazuyuki Seki; Masashi Okubo (AHFE (1), 2019)

Influence of Presence of Operator of Humanoid Robot on Personal Space. - Akihiro Tatsumi; Masashi Okubo (HCI (1), 2019)

Effects of Touch Behaviors and Whispering Voices in Robot-Robot Interaction for Information Providing Tasks. - Yuka Okada; Riko Taniguchi; Akihiro Tatsumi; Masashi Okubo; Mitsuhiko Kimoto; Takamasa Iio; Katsunori Shimohara; Masahiro Shiomi (RO-MAN, 2020)

Influence of Communication Environment on Feeling and Degree of Transmission. - Masashi Okubo; Asuka Iwai; Akihiro Tatsumi (HCI (4), 2022)

Proposal of Emotion Expression Method by Clothes Color for Communication Robot. - Akihiro Tatsumi; Masashi Okubo (HCI (3), 2023)

Analysis of Voice Impression Scales Based on Specific Adjective Scale. - Shinnosuke Adachi; Akihiro Tatsumi; Masashi Okubo (HCI (10), 2025)