Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598245 | Flange back mechanism for photographic camera | Yamamoto Masaru, Koshimizu Yoshinori, Kitamura Nobuo, Ishikawa Tadaaki, Yasuhara Shin | 1997-01-28 |
| 5539491 | Back-driven type autofocus camera | Yamamoto Masaru, Koshimizu Yoshinori, Kitamura Nobuo | 1996-07-23 |