Three Layered Business Process Architecture for Workflow Cooperation. - Ryosuke Saga; Naoto Okada; Hiroshi Tsuji (ETFA, 2006)

RESTER2: Ontology based Reusable ToDo synthesizer. - Ryosuke Saga; Naoto Okada; Akinori Kageyama; Shingo Aoki; Hiroshi Tsuji (SMC, 2007)

Efficient Scooping of Rocks by Autonomous Controlled Wheel Loader. - Hisashi Osumi; Tomoya Uehara; Naoto Okada; Takuya Fujiwara; Shigeru Sarata (J. Robotics Mechatronics, 2012)