Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832836 | Optical unit and projection type projector apparatus using the same | Koji Hirata, Futoshi Yamasaki | 2004-12-21 |
| 6829031 | Liquid crystal display apparatus and optical device for use therein | Toru Numata, Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura +3 more | 2004-12-07 |
| 6824273 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2004-11-30 |
| 6783245 | Liquid crystal projector, and projection lens unit, optical unit and cooling system for the same | Nobuhiko Konuma, Hidetomo Yoshimura, Seiichi Sekiguchi, Mikiharu Kuwata, Masaharu Deguchi +16 more | 2004-08-31 |
| 6783242 | Projection apparatus and projection-type image display apparatus | Koji Hirata, Futoshi Yamasaki | 2004-08-31 |
| 6741396 | Array lens, lighting optical system, optical unit and imaging apparatus | Satoshi Ohuchi, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka, Takesuke Maruyama | 2004-05-25 |
| 6705730 | Picture display device | Tetsuya Ohshima, Hiroki Kaneko, Kazutaka Tsuji, Akira Arimoto, Osamu Ebina | 2004-03-16 |