Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624950 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Shigeru Mori, Takahiro Yoshida, Kazunari Nakagawa | 2003-09-23 |
| 6573950 | Optical projection apparatus, transmission type screen, and projection type image display apparatus | Koji Hirata, Masahiko Yatsu, Hidehiro Ikeda | 2003-06-03 |
| 6570866 | High-speed flexible longest match retrieval | Tutomu Murase | 2003-05-27 |
| 6542308 | Projection display apparatus and projection lens device for use therein | Koji Hirata, Shigeru Mori, Yasuo Otsuka | 2003-04-01 |
| 6535267 | Liquid crystal display apparatus having liquid crystal display element immersed in cooling medium | Toru Numata, Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Shigeru Inaoka +3 more | 2003-03-18 |