| Company Name | Kohyama Atelier |
|---|---|
| Licence | registered architect office No.12399 |
| Chairman | 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; Sachio Hasegawa
executive deputy president; Kazutoshi Saheki director / Isamu Umeno |
