Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247190 | Lens assembly coupling device for camera system | Shigeru Hashimoto, Takashi Isobe, Masao Aoyagi, Akiyasu Sumi, Katsumi Tanaka | 1981-01-27 |
| 4230403 | Mounting for interchangeable camera lens assembly with diaphragm means | Shigeru Hashimoto, Takashi Isobe, Masao Aoyagi, Akiyasu Sumi, Katsumi Tanaka | 1980-10-28 |