Estimating Patient Independence with Sleep Sensors. - Eiji Kumakawa; Wataru Yamada; Keiichi Ochiai; Yusuke Fukazawa; Mizuki Shirai; Hirokazu Masuda (UbiComp/ISWC Adjunct, 2021)

BaroDepth: A Method of Estimating Depth with Barometric Pressure Sensors in Smartphones. - Eiji Kumakawa; Wataru Yamada; Keiichi Ochiai (UbiComp/ISWC Adjunct, 2023)

What Dialogue Content Leads to a Trust Relationship and Behavior Change? Dialogue and Questionnaire Analysis. - Tae Sato; Taiga Sano; Eiji Kumakawa; Kaori Fujimura; Naomi Yamashita (CHI Extended Abstracts, 2025)

Identifying Characteristics of Dietary Guidance Methods Through Qualitative Analysis. - Kaori Fujimura; Tae Sato; Eiji Kumakawa; Masami Takahashi; Yurika Katagiri; Ayumi Kasahara; Yuji Yamamoto; Michiko Seyama; Sara Yamada; Satoru Yamada (HCI (60), 2025)