An Automatic Recognition System for Piping and Instrument Diagrams. - Mitsuo Ishii; Yoshikazu Ito; Masanari Yamamoto; Hiroaki Harada; Michiko Iwasaki (Syst. Comput. Jpn., 1989)

Automatic recognition system for color drawings of printed circuit board. - Mitsuo Ishii; Yoshikazu Ito; Masanari Yamamoto; Hiroaki Harada; Masanori Kakimoto (Syst. Comput. Jpn., 1989)

Scenario-Based Hypermedia: A Model and a System. - Ryuichi Ogawa; Hiroaki Harada; Asao Kaneko (ECHT, 1990)

Space-sharing architecture for a three-dimensional virtual community. - Hiroaki Harada; Naohisa Kawaguchi; Akinori Iwakawa; Kazuki Matsui; Takashi Ohno (Distributed Syst. Eng., 1998)

A three-dimensional virtual community based on space-sharing architecture. - Hiroaki Harada; Naohisa Kawaguchi; Akinori Iwakawa; Kazuki Matsui; Takashi Ohno (Syst. Comput. Jpn., 1998)