Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908647 | Lens driving device | — | 1990-03-13 |
| 4812865 | Camera system with interchangeable lens unit | — | 1989-03-14 |
| 4729644 | Zoom lens assembly | — | 1988-03-08 |
| 4488798 | Automatic focusing device | Takashi Iida, Toshihiko Ishimura | 1984-12-18 |