Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4417797 | Variable force electromagnetic shutter | — | 1983-11-29 |
| 4395105 | Device for adjusting driving spring of focal plane shutter | — | 1983-07-26 |
| 4394082 | Shutter for camera | Kunio Watanabe | 1983-07-19 |
| 4382670 | Focal plane shutter blade arrangement | Teiji Hashimoto, Fumio Shimada | 1983-05-10 |
| 4380857 | Process for manufacturing shutter screen blades | Jun Shibuya | 1983-04-26 |
| 4378150 | Electromagnetically driven shutter | Teiji Hashimoto | 1983-03-29 |
| 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 |
| 4268147 | Focal plane shutter device | Nobuaki Date, Syozo Yoshida | 1981-05-19 |