Company Name Kohyama Atelier
Licence registered architect office No.12399
Center President Hisao Kohyama
Headquartes UT-Hongo 3F, 2-12-10 Hongo, Bunkyo-ku, Tokyo,  113-0033

Tel: +81(0)3-3815-4702  Fax: +81(0)3-3815-6434

Founded 22 May, 1973
Corporate Executive President; Hisao Kohyama

executive deputy president; Kazutoshi Saheki

executive director / Jiro Hamano

director / Reiko Kohyama