Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881096 | Motor-driven shutter for camera | Masuo Ogihara, Hiroyuki Ishida, Shinji Nagaoka, Youichi Seki, Hiroshi Yamazaki +1 more | 1989-11-14 |
| 4864346 | Program shutter | Nobuo Shinozaki, Masaki Tanaka, Katauhito Niwa | 1989-09-05 |
| 4864347 | Program shutter | Tadashi Nakagawa, Nobuo Shinozaki, Youichi Seki | 1989-09-05 |