Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7190529 | Zoom lens | Toru Miyajima | 2007-03-13 |
| 7151637 | Zoom lens and a camera providing the same | Akiyoshi Tochigi, Masashi Hankawa | 2006-12-19 |
| 6906869 | Zoom optical system and camera comprising the same | Kazuya Nishimura | 2005-06-14 |
| 6710935 | Zoom optical system and camera using the same | — | 2004-03-23 |
| 6570716 | Zoom optical system and camera comprising the same | Kazuya Nishimura | 2003-05-27 |
| 6433940 | Zoom optical system | Masashi Hankawa, Kazuteru Kawamura | 2002-08-13 |
| 6411443 | Zoom optical system | Shigeru Kato, Seiji Shimizu | 2002-06-25 |
| 6333824 | Zoom lens system consisting of two lens units | — | 2001-12-25 |
| 6025960 | Zoom optical system | — | 2000-02-15 |
| 6014265 | Zoom optical system | Shigeru Kato, Seiji Shimizu | 2000-01-11 |
| 5768029 | Zoom lens system | — | 1998-06-16 |
| 5623364 | Vibration-proof optical system | — | 1997-04-22 |
| 5581400 | Finder optical system with low-hygroscopic organic material | Hiroshi Takase, Tatsuru Kanamori, Masaki Imaizumi | 1996-12-03 |
| 5521761 | Real image mode finder optical system with high magnification | — | 1996-05-28 |
| 5495367 | Vari-focal viewfinder optical system | — | 1996-02-27 |
| 5495365 | Finder optical system | — | 1996-02-27 |
| 5448411 | Zoom type of finder optical arrangement | — | 1995-09-05 |
| 5353159 | Three-unit compact zoom lens system | — | 1994-10-04 |
| 5270758 | Waist level finder optical system | — | 1993-12-14 |
| 5257129 | Real image type variable magnification viewfinder optical system | Shinichi Yoshii | 1993-10-26 |