1. Prof., Faculty of Human Resources Development, Polytechnic Univ. of Japan, Dr.Eng.
2. Nakayama Design Corporation, Ltd., M.Eng.
3. Assist. Prof., Faculty of Human Resources Development, Polytechnic Univ. of Japan, Dr.Eng.
4. Prof., Dept. of Architecture, Faculty of Engineering, Niigata Univ., Dr.Eng.