FootstepsMixer: A Tool to Express Multiple People's Footsteps in a Footstep Transmission System for Awareness Support. - Hiroki Echigo; Masakatsu Kanno; Kana Matsu; Taira Endo; Minoru Kobayashi (CRIWG/CollabTech, 2019)

Glow-Mind: An Input/Output Web System for Sharing Feelings by Pressing a Button. - Kanan Abe; Taai Tsukidate; Yo Kuwamiya; Hiroki Echigo; Minoru Kobayashi (CollabTech, 2022)

Presentation Method for Conveying Nonverbal Information in Online Conference Presentations with a Virtual Stage. - Hiroki Echigo; Kanan Abe; Yuki Igarashi; Minoru Kobayashi (CollabTech, 2022)