Issued Patents 1982
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364654 | Electromagnetic release shutter | Fumio Shimada, Yoshihiro Shigeta, Syuichiro Saito, Hiroshi Aizawa, Takehiko Ohniwa | 1982-12-21 |
| 4355878 | Magnetic device | Takehiko Ohniwa, Fumio Shimada, Syuichiro Saito, Yoshihiro Shigeta, Hiroshi Aizawa | 1982-10-26 |
| 4326787 | Magnetized shutter blades | — | 1982-04-27 |
| 4320950 | Electromagnetically driven shutter | Yoji Sugiura, Fumio Shimada | 1982-03-23 |