Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8446802 | Optical drive device and focus servo control method | Toshihiro Horigome | 2013-05-21 |
| 8363522 | Recording device and recording method | Junichi Horigome | 2013-01-29 |
| 8284643 | Recording apparatus and control method | — | 2012-10-09 |
| 8213276 | Recording apparatus and control method | — | 2012-07-03 |
| 8208357 | Optical disc apparatus and optical disc drive control method | — | 2012-06-26 |
| 8149661 | Short-pulse light source, laser light emission method, optical device, optical disc device, and optical pickup | Kazuhiko Fujiie | 2012-04-03 |
| 8094525 | Information recording method and information recording apparatus | — | 2012-01-10 |
| 8031568 | Disk device and disk drive controlling method | — | 2011-10-04 |
| 8018827 | Solid immersion lens and focusing lens, optical pickup device, and data recording/reproducing apparatus using the same | Sunmin KIM, Takao Kondo, Ariyoshi Nakaoki | 2011-09-13 |
| 7933177 | Optical pickup apparatus, optical read/write apparatus, and gap control method | — | 2011-04-26 |
| 7835236 | Servo control apparatus and method, and disk recording or playback apparatus | — | 2010-11-16 |
| 7826317 | Optical pickup device, optical recording/reproducing apparatus and gap-control method | — | 2010-11-02 |
| 7755986 | Optical disk apparatus and servo control method | — | 2010-07-13 |
| 7733747 | Information recording or reproducing device and recording or reproducing method | — | 2010-06-08 |
| 7733749 | Beam spot position control device and beam spot position control method, and optical disk recording and reproducing device | — | 2010-06-08 |
| 7613082 | Optical pickup device, optical recording and reproducing apparatus and gap detection method | Kimihiro Saito | 2009-11-03 |
| 7535808 | Tilt control method and optical disc apparatus | Kimihiro Saito | 2009-05-19 |
| 7522498 | Optical information recording apparatus | Seiji Kobayashi, Hisayuki Yamatsu, Roderick Koehle | 2009-04-21 |
| 7462855 | Optical recording and reproducing apparatus, optical head, optical recording and reproducing method and skew detection method | Kimihiro Saito | 2008-12-09 |
| 7440383 | Optical pickup device and recording and/or reproducing apparatus | Kimihiro Saito | 2008-10-21 |
| 7414947 | Optical pickup device, recording and reproducing apparatus and gap detection method | Kimihiro Saito | 2008-08-19 |
| 7406016 | Optical disk apparatus and control method for controlling distance between a head and a disk | — | 2008-07-29 |
| 7394734 | Optical disk drive using near-field light, optical disk apparatus, and method for driving the apparatus | — | 2008-07-01 |
| 7339860 | Displacement measurement | — | 2008-03-04 |
| 7319656 | Optical information recording medium, optical information recording apparatus and method | Seiji Kobayashi, Hisayuki Yamatsu, Roderick Koehle | 2008-01-15 |