Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041855 | Lens assembly for automatic focusing cameras | Kazumitsu Takezawa, Hideo Kanno | 1991-08-20 |
| 4796045 | Photo-taking lens assembly having an automatically and manually movable lens | Yoshinari Hamanishi, Yoshiharu Shiokama, Hitoshi Imanari | 1989-01-03 |
| 4766453 | Bayonet mount structure for interchangeable photographing lens tube | Yoshiharu Shiokama | 1988-08-23 |
| 4707100 | Device for locking the operation ring of photographing lens | Hiroshi Okano, Hideo Kanno | 1987-11-17 |
| 4326788 | Information transmission means in an intermediate lens tube for camera | Kunihiro Fukino, Sunao Ishizaka | 1982-04-27 |
| 4196997 | Interchangeable lens for a camera | Hiroshi Hasegawa, Yoshiro Kotaka | 1980-04-08 |