Issued Patents All Time
Showing 1–25 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9794535 | Display device | Makoto Otani | 2017-10-17 |
| 9250507 | Projector | Shuji Narimatsu | 2016-02-02 |
| RE41680 | Projector | Toshiaki Hashizume, Hisashi Iechika, Yasunori Ogawa, Shinji Haba | 2010-09-14 |
| RE40251 | Optical element, polarization illumination device, and projector | Yasunori Ogawa, Tomiyoshi Ushiyama | 2008-04-22 |
| RE39859 | Dichroic prism, prism unit, and projection display apparatus | Tomiyoshi Ushiyama, Yasunori Ogawa | 2007-09-25 |
| 7267443 | Light-modulating projector | Hidemasa Yamakawa | 2007-09-11 |
| RE39702 | Projector | Toshiaki Hashizume, Hisashi Iechika, Yasunori Ogawa, Shinji Haba | 2007-06-26 |
| RE39243 | Optical element, polarization illumination device, and projector | Yasunori Ogawa, Tomiyoshi Ushiyama | 2006-08-22 |
| RE39040 | Projector | Yasunori Ogawa, Shinji Haba, Toshiaki Hashizume, Hisashi Iechika | 2006-03-28 |
| 7006004 | Light-source lamp unit, light-source device and projection-type display apparatus | Kiyoshi Miyashita, Kazuto Shinohara, Shinji Haba, Tomiyoshi Ushiyama | 2006-02-28 |
| RE38740 | Dichroic prism and projection display apparatus | Toshiaki Hashizume | 2005-06-07 |
| 6894845 | System and methods for providing a zoom lens device | Shuji Narimatsu | 2005-05-17 |
| 6856375 | Liquid crystal light valve and projection display device including the same | Mutsuya Furuhata, Hisashi Iechika, Toshio Matsumiya | 2005-02-15 |
| 6778228 | Projection-type display apparatus | Osamu Murakami, Yoshitaka Itoh | 2004-08-17 |
| 6690282 | Light-source lamp unit, light-source device and projection-type display apparatus | Kiyoshi Miyashita, Kazuto Shinohara, Shinji Haba, Tomiyoshi Ushiyama | 2004-02-10 |
| 6669345 | Illumination system and projector | — | 2003-12-30 |
| 6652104 | Correction of image distortion | Kazuhiro Nishida, Takafumi Ito | 2003-11-25 |
| 6637886 | Projection display device | Tomiyoshi Ushiyama | 2003-10-28 |
| 6612702 | Projection display device | Tomiyoshi Ushiyama | 2003-09-02 |
| RE38084 | Projector | Toshiaki Hashizume, Hisashi Iechika, Yasunori Ogawa, Shinji Haba | 2003-04-22 |
| 6540360 | Projector | Mutsuya Furuhata, Shinji Haba | 2003-04-01 |
| 6529250 | Projector | Osamu Murakami, Yoshitaka Itoh | 2003-03-04 |
| 6523962 | Optical element suitable for projection display apparatus | — | 2003-02-25 |
| 6517208 | Illumination system and projector | — | 2003-02-11 |
| 6425667 | Projection lens unit and projector using the same | Shinji Haba | 2002-07-30 |