Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE40946 | Optical disk apparatus | Katsuya Watanabe, Mitsurou Moriya, Shin-ichi Yamada, Takeharu Yamamoto | 2009-10-27 |
| 6434094 | Optical disk apparatus | Shin-ichi Yamada, Mitsurou Moriya, Kouichi Takamine, Katsuya Watanabe | 2002-08-13 |
| 6324145 | Digital data reproducing apparatus and reproduction signal binarization level correcting method | Motoyuki Kobayashi, Ryusuke Horibe, Yasuki Matsumoto | 2001-11-27 |
| 6304536 | Optical disk apparatus | Shin-ichi Yamada, Mitsurou Moriya, Kouichi Takamine, Katsuya Watanabe | 2001-10-16 |
| 6298019 | Optical disk apparatus | Katsuya Watanabe, Mitsurou Moriya, Shin-ichi Yamada, Takeharu Yamamoto | 2001-10-02 |
| 6195321 | Disk rotation control apparatus with deceleration means | Kouichi Takamine, Shin-ichi Yamada, Mitsurou Moriya | 2001-02-27 |
| 6147946 | Optical disk apparatus | Shin-ichi Yamada, Mitsurou Moriya, Kouichi Takamine, Katsuya Watanabe | 2000-11-14 |
| 6011762 | Optical disk apparatus | Katsuya Watanabe, Mitsurou Moriya, Shin-ichi Yamada, Takeharu Yamamoto | 2000-01-04 |
| 5886962 | Tilt control apparatus with tilt target value based on bit error rate signal | Kouichi Takamine, Hiromichi Ishibashi, Mitsurou Moriya | 1999-03-23 |
| 5831952 | Optical disk thickness discriminating apparatus | Shin-ichi Yamada, Mitsurou Moriya, Kouichi Takamine, Katsuya Watanabe | 1998-11-03 |
| 5805543 | Tilt control apparatus based on pulsed width detection of an information reproduced signal | Kouichi Takamine, Hiromichi Ishibashi, Mitsurou Moriya | 1998-09-08 |
| 5777967 | Optical disk device | Hiromichi Ishibashi, Toshiyuki Shimada, Mitsurou Moriya, Ryusuke Horibe, Hiroyuki Miyachi | 1998-07-07 |
| 5699334 | Control devices for optical disk based on driving signal saturation | Shin-ichi Yamada, Takeharu Yamamoto, Mitsurou Moriya | 1997-12-16 |
| 5343454 | Tracking control apparatus for correcting tracking error signal according to approximate equation of a function of track address | Katsuya Watanabe, Masayuki Shibano, Hiroyuki Yamaguchi, Mitsuro Moriya | 1994-08-30 |
| 5253239 | Control apparatus for tracking a light beam on a track of an optical recording medium | Katsuya Watanabe, Mitsuro Moriya | 1993-10-12 |
| 5202870 | Optical disk recording/reproducing apparatus and a photoelectric conversion amplifier therefor | Kazuhiro Aoki, Akira Kurahashi | 1993-04-13 |
| 5199015 | Optical recording/reproducing device having means for adjusting servo loop gain and phase characteristics | Katsuya Watanabe | 1993-03-30 |
| 5170384 | Tracking control for optical information recording and reproducing apparatus | Noboru Kikuchi, Akira Kurahashi | 1992-12-08 |