Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5558689 | Reinforced filter element | Hiroyuki Yanagihara, Seihou Taniguchi, Takeshi Hazeyama, Hitoshi Otaka, Sansan Souma | 1996-09-24 |
| 4961541 | Apparatus for disposing of a used hypodermic syringe | — | 1990-10-09 |
| 4825236 | Shutter for camera | Fumio Shimada, Fumio Mochida | 1989-04-25 |
| 4560265 | Blade type focal plane shutter | — | 1985-12-24 |
| 4394081 | Magnetically controlled shutter | Syuichiro Saito | 1983-07-19 |
| 4382670 | Focal plane shutter blade arrangement | Michio Senuma, Fumio Shimada | 1983-05-10 |
| 4378150 | Electromagnetically driven shutter | Michio Senuma | 1983-03-29 |
| 4334747 | Device for preventing spring-back of shutter blade | Fumio Shimada | 1982-06-15 |
| 4319823 | Electromagnetic driving device | — | 1982-03-16 |
| 4316662 | Brake device for shutter | Yoichi Tosaka, Nobuo Tezuka | 1982-02-23 |
| 4281914 | Focal plane shutter | Nobuo Tezuka, Mitio Senuma, Yutaka Iwata | 1981-08-04 |
| 4240055 | Release type electromagnetic device for camera | Masami Shimizu, Hideaki Miyakawa, Masanori Uchidoi, Hiroshi Aizawa, Tadashi Ito | 1980-12-16 |
| 4215925 | Photographic curtain-type shutter with electromagnetic actuation control | Nobuaki Date, Hiroshi Aizawa | 1980-08-05 |
| 4204762 | Centrifugal brakes for focal plane shutters | Nobuaki Date, Hiroshi Aizawa, Masanori Uchidoi, Masami Shimizu | 1980-05-27 |
| 4205287 | Electromagnetic device | Masami Shimizu | 1980-05-27 |