Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5875060 | Zoom lens system | — | 1999-02-23 |
| 5327290 | Compact size zoom lens system | Akira Fukushima, Takashi Okada, Junji Hashimura, Hisayuki Masumoto, Hisashi Tokumaru | 1994-07-05 |
| 5249079 | Lens system | — | 1993-09-28 |
| 5168403 | Zoom lens system | Akira Fukushima, Takashi Okada, Junji Hashimura, Hisayuki Masumoto | 1992-12-01 |
| 5153777 | Compact-size zoom lens system | Takashi Okada, Akira Fukushima, Hisashi Tokumaru, Junji Hashimura, Hisayuki Masumoto | 1992-10-06 |