Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687401 | High variable-power ratio, high aperture ratio, zoom optical system | Atsushi Kawamura, Akiko Ozawa | 1997-11-11 |
| 5630188 | Lighting type bright frame finder | — | 1997-05-13 |
| 5617254 | Compact zoom lens | — | 1997-04-01 |