Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663836 | Compact zoom lens system comprising two lens units | — | 1997-09-02 |
| 5640276 | Four-unit zoom lens system having a high zoom ratio | — | 1997-06-17 |
| 5546236 | Wide-angle photographic lens system | Toshiro Baba | 1996-08-13 |
| 5459616 | Two-unit zoom lens system | Kazuteru Kawamura | 1995-10-17 |
| 5353160 | Three-unit compact zoom lens system | — | 1994-10-04 |
| 5339195 | Two unit zoom lens system | — | 1994-08-16 |
| 5069536 | Zoom lens system | — | 1991-12-03 |
| 4836662 | Telephoto zoom lens system | Takanori Yamanashi | 1989-06-06 |
| 4815829 | Telephoto zoom lens system | Takanori Yamanashi | 1989-03-28 |
| 4789226 | Zoom lens system | — | 1988-12-06 |
| 4786153 | Large-aperture macro lens system | — | 1988-11-22 |
| 4708443 | Zoom lens system | Hisashi Goto | 1987-11-24 |