Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883346 | Zoom lens system | Norihiko Aoki | 1989-11-28 |
| 4854680 | Zoom view finder | — | 1989-08-08 |
| 4812023 | Zoom finder | — | 1989-03-14 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883346 | Zoom lens system | Norihiko Aoki | 1989-11-28 |
| 4854680 | Zoom view finder | — | 1989-08-08 |
| 4812023 | Zoom finder | — | 1989-03-14 |