Issued Patents 2003
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624950 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Takahiro Yoshida, Kazunari Nakagawa | 2003-09-23 |
| 6616511 | Rolling mill equipped with on-line roll grinding system and grinding wheel | Shigetoshi Kondoh, Tadashi Nishino, Yasutsugu Yoshimura, Yasuharu Imagawa, Hiroyuki Shiraiwa | 2003-09-09 |
| 6585558 | Rolling mill equipped with on-line roll grinding system and grinding wheel | Shigetoshi Kondoh, Tadashi Nishino, Yasutsugu Yoshimura, Yasuharu Imagawa, Hiroyuki Shiraiwa | 2003-07-01 |
| 6542308 | Projection display apparatus and projection lens device for use therein | Koji Hirata, Naoyuki Ogura, 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, Naoyuki Ogura +3 more | 2003-03-18 |
| 6509528 | Printed circuit board and manufacturing process thereof | Yoshinori Ono | 2003-01-21 |
| 6502942 | Rear projection display apparatus and translucent screen for use therein | Yoji Nakayama, Shigeru Inaoka, Kazunari Nakagawa | 2003-01-07 |