Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4696553 | Zoom lens having a large zoom ratio | Sadahiko Tsuji, Sadatoshi Takahashi | 1987-09-29 |
| 4692008 | Display device for camera | Kazuhiko Arakawa, Go Tokura, Masayoshi Kiuchi, Yoshihito Harada | 1987-09-08 |
| 4682886 | Distance measuring device | Masamichi Toyama, Naoya Kaneda | 1987-07-28 |
| 4653874 | Zoom lens | Sadatoshi Takahashi, Toshiaki Asano, Sadahiko Tsuji, Masatake Kato | 1987-03-31 |
| 4618219 | Zoom lens | Muneharu Sugiura, Sadahiko Tsuji | 1986-10-21 |
| 4595270 | Finder system | Yasuyuki Yamada, Yasuhisa Sato, Hideo Yokota | 1986-06-17 |
| 4544256 | Single lens reflex camera with light measuring device | Kikuo Momiyama | 1985-10-01 |
| 4525036 | Zoom lens | Muneharu Sugiura, Sadahiko Tsuji | 1985-06-25 |
| 4506970 | Focus detection device | — | 1985-03-26 |
| 4456345 | Thin type photographic lens system | — | 1984-06-26 |
| 4431284 | Light measuring device for camera | — | 1984-02-14 |
| 4398808 | Compact zoom lens of high magnification | — | 1983-08-16 |
| 4384762 | Focusing screen device | Takashi Uchiyama, Ryoichi Suzuki | 1983-05-24 |
| 4348084 | Tele-photographic lens of large aperture ratio | Nozomu Kitagishi | 1982-09-07 |
| 4330188 | Focusing screen | Kikuo Momiyama | 1982-05-18 |
| 4240705 | Five element photographic objective | — | 1980-12-23 |
| 4235519 | Compact retrofocus type wide angle objective | — | 1980-11-25 |