Issued Patents All Time
Showing 126–132 of 132 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6624950 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Kazunari Nakagawa | 2003-09-23 |
| 6396641 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Kazunari Nakagawa | 2002-05-28 |
| 6243211 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Kazunari Nakagawa | 2001-06-05 |
| 6046860 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Kazunari Nakagawa | 2000-04-04 |
| 5946142 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Kazunari Nakagawa | 1999-08-31 |
| 5759655 | Polyimide composite tube | Tadashi Kitajima, Tetsuya Itagaki, Yoshitaka Hongou, Masafumi Matsumura | 1998-06-02 |
| 5582886 | Polyimide composite tube and method of manufacturing the same | Tadashi Kitajima, Tetsuya Itagaki, Yoshitaka Hongou, Masafumi Matsumura | 1996-12-10 |