Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744571 | Zoom lens system | Atsujiro Ishii | 2004-06-01 |
| 6714355 | Zoom lens system, and image pickup system using the same | — | 2004-03-30 |
| 6587281 | Zoom image pickup optical system | Kouki Hozumi | 2003-07-01 |
| 6538824 | Electronic image pickup equipment | Shinichi Mihara, Masahito Watanabe, Hirokazu Konishi | 2003-03-25 |
| 6535339 | Image pickup system | — | 2003-03-18 |
| 6515804 | Zoom optical system | Masahito Watanabe, Hirokazu Konishi, Shinichi Mihara | 2003-02-04 |
| 6510008 | Zoom lens | Tetsuhide Takeyama | 2003-01-21 |
| 6417973 | Electronic image pickup equipment | Shinichi Mihara, Masahito Watanabe, Hirokazu Konishi | 2002-07-09 |
| 6331917 | Zoom lens system | Atsujiro Ishii | 2001-12-18 |
| 6185048 | Zoom lens system | Atsujiro Ishii | 2001-02-06 |
| 5915472 | Apparatus for cooling EGR gas | Kazunori Takikawa, Seiji Yamoto | 1999-06-29 |
| 5884108 | Data imprinting optical system | Yuji Kamo, Hideyasu Takato | 1999-03-16 |
| 5801882 | Real image mode finder optical system | — | 1998-09-01 |
| 5777799 | Three-lens-group zoom lens system having a zoom ratio exceeding 3.5 | — | 1998-07-07 |
| 5721994 | Photographing apparatus for recording data on films | Yasuzi Ogata | 1998-02-24 |
| 5328216 | Thin pipe connecting joint | Katsushi Umezawa | 1994-07-12 |
| 5206675 | Real image mode finder optical system | Tatsuru Kanamori | 1993-04-27 |
| 5184252 | Finder optical system | Shinichi Yoshii, Tatsuru Kanamori | 1993-02-02 |
| 5148308 | Real image type vari-focal viewfinder | — | 1992-09-15 |
| 5076518 | Structure for securing pipes together using bracket body | Katsushi Washizu | 1991-12-31 |
| 5072902 | Structure for securing pipes together | Katsushi Washizu | 1991-12-17 |
| 4930880 | Graded refractive index lens | — | 1990-06-05 |