Issued Patents All Time
Showing 26–50 of 86 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285509 | Zoom lens and display apparatus having the same | Hiroki Nakayama, Akihiro Nishio | 2001-09-04 |
| 6246170 | Light source apparatus with a spherical optical member | — | 2001-06-12 |
| 6231193 | Light source device, illuminating system and image projecting apparatus | — | 2001-05-15 |
| 6226122 | Observation optical system and optical apparatus having the same | — | 2001-05-01 |
| 6188529 | Projecting apparatus for a high-resolution color liquid crystal projector | Osamu Koyama, Junko Kuramochi | 2001-02-13 |
| 6176585 | Projection apparatus | Osamu Koyama, Junko Kuramochi | 2001-01-23 |
| 6094216 | Stereoscopic image display method, and stereoscopic image display apparatus using the method | Naosato Taniguchi, Hiroaki Hoshi, Toshiyuki Sudo, Hideki Morishima, Kazutaka Inoguchi | 2000-07-25 |
| 6084719 | Projection lens | Ken Wada | 2000-07-04 |
| 6008949 | Eyepiece lens | — | 1999-12-28 |
| 5999335 | Projecting apparatus | Osamu Koyama, Junko Kuramochi | 1999-12-07 |
| 5986806 | Decentered optical system | — | 1999-11-16 |
| 5973847 | Eyepiece lens | — | 1999-10-26 |
| 5969875 | Projecting optical system | — | 1999-10-19 |
| 5969873 | Eyepiece lens with image located in space between first and second lens units | — | 1999-10-19 |
| 5926316 | Projection lens system | — | 1999-07-20 |
| 5920433 | Large relative aperture telecentric lens | — | 1999-07-06 |
| 5897227 | Zoom lens drive system for lens shutter type of camera | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +1 more | 1999-04-27 |
| 5781349 | Zoom lens | — | 1998-07-14 |
| 5757553 | Eyepiece lens of wide visual field | — | 1998-05-26 |
| 5737113 | Optical modulators and color image display device employing the same | Junko Kuramochi, Michitaka Setani, Takehiko Nakai | 1998-04-07 |
| 5708486 | LCD having a shading layer exhibiting a different reflection characteristic from reflection electrodes | Mamoru Miyawaki | 1998-01-13 |
| 5701475 | Eyepiece lens | — | 1997-12-23 |
| 5684635 | Eyepiece lens of wide visual field | — | 1997-11-04 |
| 5673099 | Lens shutter camera including zoom lens | Keisuke Haraguchi, Shinsuke Kohmoto, Takeo Kobayashi, Shigeru Kondoh, Hideki Ohkubo +6 more | 1997-09-30 |
| 5661597 | Image deflection apparatus | — | 1997-08-26 |