Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4518229 | Telephoto lens system | — | 1985-05-21 |
| 4256372 | Catadioptric lens system with light transmission control means | Hiroshi Kiten, Takashi Iida, Kunio Kawamura, Nobuo Yoshida | 1981-03-17 |
| 4234894 | Reflecting optical system for projection television | Hisashi Tokumaru | 1980-11-18 |
| 4218120 | Electrochromic light regulator | Kunio Kawamura, Takashi Iida, Yuziro Suzuki | 1980-08-19 |
| 4198126 | Zoom lens system capable of macrophotography | Haruo Abe | 1980-04-15 |
| 4193667 | Zoom lens system capable of constant magnification photography | Toshinobu Ogura, Takanobu Omaki, Masahide Tanaka | 1980-03-18 |