Optimal strategy of route and look for the path constrained search problem with reward criterion. - Ryusuke Hohzaki; Koji Iida (Eur. J. Oper. Res., 1997)

A search game when a search path is given. - Ryusuke Hohzaki; Koji Iida (Eur. J. Oper. Res., 2000)

Retrieval System of On-Line Kanji Dictionary with Learning Functions. - Koji Iida; Kazuto Yamada; Shinichi Fujita; Seinosuke Narita (WebNet, 2001)

Optimal ambushing search for a moving target. - Ryusuke Hohzaki; Koji Iida (Eur. J. Oper. Res., 2001)

Public viewing with shadows: Design of theater-type space where remote actors and audiences can coexist using the shadow as their own agents. - Koji Iida; Shiroh Itai; Takabumi Watanabe; Yoshiyuki Miwa (RO-MAN, 2008)

Shadow Awareness: Bodily Expression Supporting System with Use of Artificial Shadow. - Yoshiyuki Miwa; Shiroh Itai; Takabumi Watanabe; Koji Iida; Hiroko Nishi (HCI (2), 2009)

Utilization of Shadow Media - Supporting Co-Creation of Bodily Expression Activity in a Group. - Koji Iida; Shiroh Itai; Hiroko Nishi; Yoshiyuki Miwa (HCI (11), 2011)