Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5790317 | Zoom lens system | — | 1998-08-04 |
| 5774276 | Zoom lens system | — | 1998-06-30 |
| 5764423 | Zoom lens system | — | 1998-06-09 |
| 5760971 | Zoom lens system | — | 1998-06-02 |
| 5751499 | Zoom lens system | — | 1998-05-12 |
| 5748387 | Zoom lens system | — | 1998-05-05 |
| 5699198 | Internal focusing zoom lens system | Wataru Tatsuno | 1997-12-16 |
| 5517361 | Zoom lens system | Masahiro Nakatsuji, Haruo Sato, Hideo Kanno | 1996-05-14 |
| 5337187 | Zoom lens system | Kunihiro Fukino, Toru Takayama, Masahiro Nakatsuji | 1994-08-09 |
| 5018843 | Zoom lens apparatus with lens units for zooming and focusing | Hitoshi Imanari, Kunihiro Fukino, Toru Takayama | 1991-05-28 |
| 4963006 | Zoom lens with inner or rear focusing system | — | 1990-10-16 |
| 4806000 | Zoom lens capable of macro photography | Yoshiharu Shiokama, Naoto Ohta, Hiroshi Okano | 1989-02-21 |
| 4576445 | Zoom lens | — | 1986-03-18 |