Issued Patents All Time
Showing 51–63 of 63 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6829102 | Zoom lens, and camera and portable information terminal for utilizing zoom lens | Makoto Hirakawa | 2004-12-07 |
| 6771433 | Zoom lens, variable magnification group, camera unit and portable information terminal unit | — | 2004-08-03 |
| 6747818 | Image forming lens, image forming lens unit, original document reading module, apparatus and method, and image information processing apparatus | Kiichiro Nishina, Akihisa Itabashi | 2004-06-08 |
| 6525885 | Zoom lens, camera and portable information terminal device | — | 2003-02-25 |
| 6353506 | Compact zoom lens and a camera using the zoom lens | — | 2002-03-05 |
| 5930056 | Gauss lens | — | 1999-07-27 |
| 5687401 | High variable-power ratio, high aperture ratio, zoom optical system | Atsushi Kawamura, Akiko Ozawa | 1997-11-11 |
| 5630188 | Lighting type bright frame finder | — | 1997-05-13 |
| 5617254 | Compact zoom lens | — | 1997-04-01 |
| 5581319 | Illuminating window type bright frame finder | — | 1996-12-03 |
| 5576891 | Zoom lens using a first lens group having a positive focal length and a second lens group having a negative focal length | — | 1996-11-19 |
| 5398135 | Zoom lens | — | 1995-03-14 |
| 5153779 | Lens for reading original | — | 1992-10-06 |