Tippy: Supporting the recollection of past positive moments to maintain human daily well-being. - Yukina Kato; Naho Yokoyama; Risa Kimura; Tatsuo Nakajima (AVI, 2024)

RamenJourney: A lifelogging service for maintaining the daily well-being of ramen geeks. - Naho Yokoyama; Yukina Kato; Risa Kimura; Tatsuo Nakajima (AVI, 2024)

From Gamification to Ritualization: A New Approach to Transform Our Daily Lives. - Risa Kimura; Yukina Kato; Naho Yokoyama; Rena Matsuura; Tatsuo Nakajima (HCI (37), 2025)

Spiritual Picture: An Ambient Display System for Reflecting Spiritual Serendipity in Our Daily Life. - Rena Matsuura; Yukina Kato; Naho Yokoyama; Risa Kimura; Tatsuo Nakajima (HCI (64), 2025)

ViGen: Defamiliarizing Everyday Perception for Discovering Unexpected Insights. - Naho Yokoyama; Risa Kimura; Tatsuo Nakajima (HCI (56), 2025)