Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4310221 | Variable soft-focus lens | Shin Yamaguchi | 1982-01-12 |
| 4302086 | Liquid crystal indicator in camera finder | Ryoichi Suzuki, Takashi Uchiyama, Hiroyasu Murakami, Masaharu Kawamura, Shinji Sakai | 1981-11-24 |
| 4299453 | Zoom lens system with movable diaphragm | Shigeru Kamata | 1981-11-10 |
| 4295723 | Single lens reflex camera | Kenichi Kumazawa | 1981-10-20 |
| 4290686 | Liquid crystal display device for camera | Ryoichi Suzuki, Hiroyasu Murakami, Masaharu Kawamura, Shinji Sakai, Takashi Uchiyama | 1981-09-22 |
| RE30708 | Telephoto objective | — | 1981-08-11 |
| 4257678 | Wide angle photographic lens | Hideo Yokota | 1981-03-24 |
| 4253736 | Combination lens system with attachment lens | — | 1981-03-03 |
| 4240703 | Telephoto lens | — | 1980-12-23 |
| 4213674 | Tessar form photographic lens | — | 1980-07-22 |
| 4188092 | Retrofocus type wide-angle objective lens | — | 1980-02-12 |