Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573950 | Optical projection apparatus, transmission type screen, and projection type image display apparatus | Koji Hirata, Naoyuki Ogura, Hidehiro Ikeda | 2003-06-03 |
| 6567218 | Array lens, lighting optical system, optical unit and imaging apparatus | Satoshi Ohuchi, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka, Takesuke Maruyama | 2003-05-20 |
| 6560041 | Projection lens apparatus and projection type image display apparatus | Hidehiro Ikeda, Koji Hirata, Junichi Ikoma | 2003-05-06 |
| 6545812 | Array lens, lighting optical system, optical unit and imaging apparatus | Satoshi Ohuchi, Taro Imahase, Tomohiro Miyoshi, Yasuo Otsuka, Takesuke Maruyama | 2003-04-08 |
| 6535267 | Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium | Toru Numata, Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura +3 more | 2003-03-18 |