Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7227706 | Image-taking lens apparatus | Genta Yagyu, Shinji Yamaguchi, Kaori Kojima | 2007-06-05 |
| 7178921 | Image projection apparatus | Soh Ohzawa, Jun Ishihara | 2007-02-20 |
| 7177104 | Image-taking optical system | Mitsuaki Shimo, Soh Ohzawa, Jun Ishihara | 2007-02-13 |
| 7079325 | Taking lens apparatus | — | 2006-07-18 |
| 7021770 | Rear projection optical system | Soh Ohzawa, Jun Ishihara | 2006-04-04 |
| 6870691 | Image taking apparatus | — | 2005-03-22 |
| 6779897 | Rear projection optical system | Soh Ohzawa, Jun Ishihara | 2004-08-24 |
| 6624862 | Display optical apparatus having a rotary compensator to improve display contrast | Kohtaro Hayashi, Yasumasa Sawai, Nobuyuki Kobayashi, Kenji Nishiguchi, Hideki Nagata | 2003-09-23 |
| 6535256 | Color liquid crystal display device | Jun Ishihara, Kohtaro Hayashi | 2003-03-18 |
| 6529332 | Color integrating optical device and display optical system | — | 2003-03-04 |
| 6512633 | Optical system for compensation of image shake | Kohtaro Hayashi | 2003-01-28 |
| 6347014 | Illumination optical system and projection-type image display apparatus | Kohtaro Hayashi, Yasumasa Sawai | 2002-02-12 |
| 6315415 | Image projector | Kohtaro Hayashi, Yasumasa Sawai, Shunta Takimoto | 2001-11-13 |
| 6285502 | Zoom lens system having an image blur compensation function | Kohtaro Hayashi | 2001-09-04 |
| 6266189 | Zoom lens system having an image blur compensating function | Kohtaro Hayashi | 2001-07-24 |
| 6231192 | Projecting optical system | Kohtaro Hayashi | 2001-05-15 |
| 6193376 | Display apparatus | Kohtaro Hayashi, Shunta Takimoto, Yasumasa Sawai, Shigeru Sawamura | 2001-02-27 |
| 6191895 | Zoom lens system | Tetsuya Arimoto, Mamoru Terada, Takashi Okada, Tetsuo Kohno, Kazuhiko Ishimaru | 2001-02-20 |
| 6188524 | Optical system for use in an image projector | Kohtaro Hayashi, Yasumasa Sawai, Shunta Takimoto | 2001-02-13 |
| 6144497 | Projection optical system | Kohtaro Hayashi | 2000-11-07 |
| 6123424 | Optical system for use in an image projector | Kohtaro Hayashi | 2000-09-26 |
| 6118592 | Zoom lens system | Tetsuo Kohno, Mamoru Terada, Tetsuya Arimoto, Takashi Okada, Kazuhiko Ishimaru | 2000-09-12 |
| 6101045 | Zoom lens system | Hitoshi Hagimori | 2000-08-08 |
| 6091550 | Optical system for use in an image projector | Kohtaro Hayashi, Yasumasa Sawai, Shunta Takimoto | 2000-07-18 |
| 6081385 | Optical system design and production method | Tetsuo Kohno, Hitoshi Hagimori | 2000-06-27 |