What is the speed boundary between patting and slapping by a robot?: Investigating perceptions toward robot-robot interaction. - Taichi Hirayama; Yuka Okada; Mitsuhiko Kimoto; Takamasa Iio; Katsunori Shimohara; Masahiro Shiomi (HAI, 2022)

Two is Better than One: Cultural Differences in the Number of Apologizing Robots in the U.S. and Japan. - Masahiro Shiomi; Taichi Hirayama; Mitsuhiko Kimoto; Takamasa Iio; Katsunori Shimohara (RO-MAN, 2024)

Speed effects in touching behaviours: impact on perceived relationships in robot-robot interactions. - Taichi Hirayama; Yuka Okada; Mitsuhiko Kimoto; Takamasa Iio; Katsunori Shimohara; Masahiro Shiomi (Adv. Robotics, 2024)

Modeling of Bowing Behaviors in Apology Based on Severity. - Masahiro Shiomi; Taichi Hirayama; Mitsuhiko Kimoto; Takamasa Iio; Katsunori Shimohara (IEEE Robotics Autom. Lett., 2024)