Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9082429 | Optical disc device and focus jump method | — | 2015-07-14 |
| 8441901 | Optical disc apparatus | — | 2013-05-14 |
| 8125861 | Optical disk device | Toshiaki Fukui | 2012-02-28 |
| 7928681 | Disk apparatus capable of determining failure of spindle motor | — | 2011-04-19 |
| 7830642 | Disc apparatus | Futoshi Takeda, Toshiaki Fukui, Kazuhiro Ichikawa, Kazuto Kitagawa | 2010-11-09 |
| 7656625 | Disc apparatus | — | 2010-02-02 |