Issued Patents All Time
Showing 76–100 of 147 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909472 | Projection-type image display apparatus | Koji Hirata | 2011-03-22 |
| 7901097 | Display apparatus and projection type lighting apparatus therefor | Koji Hirata, Takanori Hisada, Hidehiro Ikeda | 2011-03-08 |
| 7896507 | Projection type display apparatus | Koji Hirata, Takanori Hisada | 2011-03-01 |
| 7857462 | Projection optical unit, projection-type image displaying apparatus and projection-type image displaying system | Takanori Hisada, Koji Hirata | 2010-12-28 |
| 7850313 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2010-12-14 |
| 7806566 | Light source unit and projection type video display apparatus using the same | Futoshi Yamasaki | 2010-10-05 |
| 7780296 | Projection optical unit, projection-type image displaying apparatus and projection-type image displaying system | Takanori Hisada, Koji Hirata | 2010-08-24 |
| 7766488 | Projection type image display apparatus | Koji Hirata, Takanori Hisada | 2010-08-03 |
| 7766487 | Projection-type image display apparatus | Takanori Hisada, Koji Hirata | 2010-08-03 |
| 7712911 | Image display device and light diffusion component for use therein | Koji Hirata, Kei Adachi | 2010-05-11 |
| 7701639 | Projection type image display apparatus | Takanori Hisada, Koji Hirata | 2010-04-20 |
| 7670009 | Projection-type image display apparatus | Koji Hirata | 2010-03-02 |
| 7665849 | Color separating unit and projection type video display apparatus provided with the same | Hidehiro Ikeda, Koji Hirata, Kei Adachi | 2010-02-23 |
| 7553025 | Projection type image display apparatus, and optical unit and polarization splitting unit each used for the apparatus | Koji Hirata | 2009-06-30 |
| 7553031 | Projection image display apparatus and projection optical unit to be used therein | Takanori Hisada, Koji Hirata | 2009-06-30 |
| 7551352 | Image display apparatus, as well as, Fresnel lens sheet and screen to be used therein | Tetsu Ohishi, Hiroki Yoshikawa, Takanori Hisada, Koji Hirata, Daisuke Imafuku | 2009-06-23 |
| 7532407 | Projection display | Koji Hirata | 2009-05-12 |
| 7499111 | Projection type display device and back projection type display device using the same | Koji Hirata | 2009-03-03 |
| 7467872 | Projection optical unit and projection type video display device using the unit | Takanori Hisada, Hiroki Yoshikawa, Tetsu Ohishi, Koji Hirata | 2008-12-23 |
| 7435482 | Article or transparent component having liquid repellent layer, optical lens having liquid repellent layer and production process thereof, and projection type display apparatus using the lens | Hiroshi Sasaki, Kazuo Shikita, Satoshi Nakayama | 2008-10-14 |
| 7410264 | Image display apparatus forming optical image by irradiating light from light source onto image display element | Futoshi Yamasaki | 2008-08-12 |
| 7365907 | Rear projection image display apparatus | Hidehiro Ikeda, Koji Hirata, Shuji Kato, Masahiro Yamamoto | 2008-04-29 |
| 7327520 | Optical unit and image display apparatus | Satoshi Ohuchi, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka, Takesuke Maruyama | 2008-02-05 |
| 7303283 | Projection type display | — | 2007-12-04 |
| 7261420 | Projection optical unit and projection image display apparatus | Koji Hirata, Hidehiro Ikeda | 2007-08-28 |