Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4636041 | Aperture device for zoom lens | Hideshi Naito, Yoshiharu Shiokama | 1987-01-13 |
| 4610517 | Clamp for lens hood | Kunihiro Fukino | 1986-09-09 |
| 4196997 | Interchangeable lens for a camera | Sachio Ohmori, Hiroshi Hasegawa | 1980-04-08 |