Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11550144 | Optical scanner unit and optical apparatus | Mika Hamaoka | 2023-01-10 |
| 11366308 | Optical scanner unit and optical device | Fuminori Tanaka, Kenji Tanehashi, Kenichi Fujita | 2022-06-21 |
| 9082420 | Optical disc device and focus control method thereof | — | 2015-07-14 |
| 9013971 | Optical disk device and equalizer adjustment method | — | 2015-04-21 |
| 8477575 | Optical disc apparatus | — | 2013-07-02 |
| 8477574 | Optical disk device | — | 2013-07-02 |
| 8462600 | Optical disc device | — | 2013-06-11 |
| 8000187 | Optical disc device | — | 2011-08-16 |
| 7894313 | Optical disc recording and reproducing apparatus | — | 2011-02-22 |
| 7830642 | Disc apparatus | Kazuki Kajikawa, Toshiaki Fukui, Kazuhiro Ichikawa, Kazuto Kitagawa | 2010-11-09 |
| 7760591 | Optical disc reproducing apparatus | — | 2010-07-20 |
| 7738328 | Optical disk apparatus for carrying out a defocus regulation | — | 2010-06-15 |
| 7660212 | Optical disk apparatus | — | 2010-02-09 |
| 7474596 | Optical disk device and track-on method thereof | — | 2009-01-06 |