Issued Patents All Time
Showing 51–66 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4483613 | Range detecting device | — | 1984-11-20 |
| 4478493 | Apparatus having liquid crystal finder optical system | — | 1984-10-23 |
| 4477155 | Photographic lens of the partial focusing type | Yasuhisa Sato, Yasuyuki Yamada | 1984-10-16 |
| 4477172 | Light measuring device for camera | — | 1984-10-16 |
| 4466711 | Gauss type lens | — | 1984-08-21 |
| 4457593 | Photographic lens system | — | 1984-07-03 |
| 4407568 | Large aperture objective with behind the lens diaphragm | Sadahiko Tsuji | 1983-10-04 |
| 4375332 | Anti-ghost device for optical distance measuring system | Kazuya Hosoe | 1983-03-01 |
| 4346988 | Distance measuring device | Hiroyuki Kimura, Shuichi Tamura | 1982-08-31 |
| 4330202 | Range detecting device | — | 1982-05-18 |
| 4288151 | Power source switch for use in camera circuit to detect a focused condition | Seiichi Matsumoto, Mutsuhide Matsuda | 1981-09-08 |
| RE30728 | High speed focusing telephoto lens | — | 1981-09-01 |
| 4265529 | Camera viewfinder | — | 1981-05-05 |
| 4257704 | Distance measuring finder | Hideo Tamamura | 1981-03-24 |
| 4257678 | Wide angle photographic lens | Kikuo Momiyama | 1981-03-24 |
| 4190338 | Data recording camera | Youichi Okuno, Mutsuhide Matsuda | 1980-02-26 |