Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D273871 | Locking device for a photographic interchangeable lens | Ken Nagasaka, Masakazu Nakanishi | 1984-05-15 |
| 4341450 | Selectively lockable camera exposure factor setting mechanism | — | 1982-07-27 |
| 4315670 | Zoom lens barrel with single operating ring | — | 1982-02-16 |