Cooperative agent system using ontological neural network. - Toru Yamaguchi; Toshimitsu Kumazawa; Hiroshi Nitta (CIRA, 2001)

A simulation system to support the establishment of circulated business. - Toshimitsu Kumazawa; Hideki Kobayashi (Adv. Eng. Informatics, 2006)

Green behavior generation: A digital approach to reduce consumption. - Hideki Kobayashi; Koji Kimura; Toshimitsu Kumazawa; Ryohei Orihara; Tomoko Murakami; Y. Motomura; Yoichi Nishida (SMC, 2007)