Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6838773 | Semiconductor chip and semiconductor device using the semiconductor chip | Yuji Kikuchi, Kiyoharu Kishimoto, Yoshiharu Hino | 2005-01-04 |
| 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 |
| 6801366 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Takahiro Yoshida | 2004-10-05 |
| 6768594 | Projection lens apparatus and rear projection type image display apparatus using the same | Daisuke Imafuku, Naoyuki Ogura, Koji Hirata, Hidehiro Ikeda, Shuji Kato | 2004-07-27 |
| 6624950 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Takahiro Yoshida | 2003-09-23 |
| 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 |
| 6502942 | Rear projection display apparatus and translucent screen for use therein | Shigeru Mori, Yoji Nakayama, Shigeru Inaoka | 2003-01-07 |
| 6396641 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Takahiro Yoshida | 2002-05-28 |
| 6342929 | Projection image display apparatus | Koji Hirata, Tomoharu Nakiri, Naoyuki Ogura, Chihiro Egawa | 2002-01-29 |
| 6256083 | Liquid crystal display apparatus and optical device for use therein | Toru Numata, Yasuo Otsuka, Mikio Shiraishi, Koji Hirata, Naoyuki Ogura +3 more | 2001-07-03 |
| 6243211 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Takahiro Yoshida | 2001-06-05 |
| 6115081 | Projection image display apparatus | Koji Hirata, Tomoharu Nakiri, Naoyuki Ogura, Chihiro Egawa | 2000-09-05 |
| 6046860 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Takahiro Yoshida | 2000-04-04 |
| 5946142 | Projection lens system and projection image display apparatus using the same | Koji Hirata, Naoyuki Ogura, Shigeru Mori, Takahiro Yoshida | 1999-08-31 |
| 5808704 | Rear projection type image display apparatus | Hiroki Yoshikawa, Takahiko Yoshida, Kiyoshi Wada, Shigeru Mori, Tetsu Ohishi +12 more | 1998-09-15 |
| 5594680 | Noise reduced contactless parallel data transfer device and method thereof | Masatoshi Ohtake, Takeshi Tottori, Nobuo Hamamoto, Takehiro Ohkawa, Yutaka Kinebuti | 1997-01-14 |
| 5574273 | Non-contact system parallel data transfer system | Takeshi Tottori, Wasao Takasugi, Yoshiharu Hino, Takeshi Uchida | 1996-11-12 |
| 5394608 | Laminated semiconductor device and fabricating method thereof | Takeshi Tottori, Satoshi Yamagata, Toshiharu Ochiai | 1995-03-07 |
| 5057955 | Composite magnetic head | Osamu Inagoya, Takeshi Tottori, Hirosuke Mikami, Hideo Fujiwara | 1991-10-15 |