Visualization Methods for Sharing Knowledge Pieces and Relationships Based on Biological Models. - Masao Usuki; Kozo Sugiyama (KES, 2003)

Evaluation of the IRORI: A Cyber-Space that Catalyzes Face-to-Face Informal Communication. - Masao Usuki; Kozo Sugiyama; Kazushi Nishimoto; Takashi Matsubara 003 (KES, 2004)

pHotOluck: A Home-use Table-ware to Vitalize Mealtime Communications by Projecting Photos onto Dishes. - Kazushi Nishimoto; Kenta Amano; Masao Usuki (Tabletop, 2006)