Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854681 | Compact zoom lens | Sadahiko Tsuji, Muneharu Sugiura, Kazuo Tanaka | 1989-08-08 |
| 4855814 | Video camera body and detachable lens each containing a memory for storing signals indicative of spectral characteristics | Akihiko Shiraishi, Kenichi Kawamoto | 1989-08-08 |
| 4833498 | Camera | Akihiko Shiraishi, Kenichi Kawamoto | 1989-05-23 |