Retrieval System for Patent Documents Using References. - Kohei Awaya; Shoken Nasu; Hiroshi Shigeno; Yutaka Matsushita (JCIS, 2002)

E-Ticket Issuing System with 3-D Pattern Recognition for Mobile Terminals. - Ryuya Uda; Masahito Ito; Kohei Awaya; Hiroshi Shigeno; Yutaka Matsushita (SEC, 2002)