Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7242651 | Disk reproduction device | Kenji Asano, Hideaki Yano | 2007-07-10 |
| 6992956 | Disk reproducing apparatus for precisely determining a value of an address signal reproduced from the disk | Takashi Onaka, Shigekazu Minechika | 2006-01-31 |
| 6975569 | Optical disk apparatus capable of generating clock accurately | Toshitaka Kuma, Hiroshi Watanabe | 2005-12-13 |
| 6891787 | Apparatus for recording/reproducing signal on/from optical disk | — | 2005-05-10 |
| 6529455 | Disk apparatus with enhanced focal positioning | Tadashi Okajima, Toshihide Hamaguchi | 2003-03-04 |
| 6522605 | Disk apparatus for focusing and adjusting a laser beam | Takashi Onaka | 2003-02-18 |
| 6480444 | Optical disk device | Shinichi Ohe, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-11-12 |
| 6477122 | Optical disk device | Shinichi Ohe, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-11-05 |
| 6466527 | Optical disk device | Shinichi Ohe, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-10-15 |
| 6459662 | Optical disk device | Shinichi Ohe, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-10-01 |
| 6370093 | Optical disc device | Shinichi Ohe, Naoyuki Takagi, Ken Hirose, Shuichi Ichiura, Hiroshi Watanabe | 2002-04-09 |
| 6201777 | Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefrom | Yoichi Tsuchiya, Seiji Kajiyama, Yasuyuki Kanou, Shuichi Ichiura, Masami Shimizu +1 more | 2001-03-13 |
| 6160783 | Optical pick-up device | Yoichi Tsuchiya, Yasuyuki Kanou, Seiji Kajiyama | 2000-12-12 |
| 6025866 | Superresolution optical pickup apparatus | Yoichi Tsuchiya, Yasuyuki Kanou, Seiji Kajiyama, Katsutoshi Hibino, Shigeki Hori | 2000-02-15 |
| 5917791 | Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefrom | Yoichi Tsuchiya, Seiji Kajiyama, Yasuyuki Kanou, Shuichi Ichiura, Masami Shimizu +1 more | 1999-06-29 |
| 5238574 | Method and apparatus having reverse osmosis membrane for concentrating solution | Norihiro Kawashima, Ken Yasukuni, Naoki Masa | 1993-08-24 |
| 5175861 | Lock processing system | Tadashi Hara | 1992-12-29 |