Issued Patents All Time
Showing 76–84 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760973 | Compact wide-angle lens system | — | 1998-06-02 |
| 5687401 | High variable-power ratio, high aperture ratio, zoom optical system | Kazuyasu Ohashi, Akiko Ozawa | 1997-11-11 |
| 5508794 | Developer recycling system and developer cartridge therefor | Masumi Ikesue, Takeshi Iijima, Yuichi Ueno, Shigekazu Enoki, Michihito Ohashi | 1996-04-16 |
| 4673259 | Wide angle lens system having short overall length | — | 1987-06-16 |
| 4653873 | Zoom lens | — | 1987-03-31 |
| 4576444 | Macro-focus zoom lens | — | 1986-03-18 |
| 4527867 | Wide angle zoom lens | Yoshisato Fujioka | 1985-07-09 |
| 4372654 | Telephoto zoom lens | Yoshisato Fujioka | 1983-02-08 |
| 4277128 | Anamorphic F.theta. lens system | — | 1981-07-07 |