Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8259546 | Optical disc device, tracking control start method, and tracking control start program | Tadaomi Takeshita | 2012-09-04 |
| 7821886 | Method and apparatus for controlling a disc seek operation based on a detected abnormality | — | 2010-10-26 |
| 7778136 | Optical recording medium driving apparatus and focusing method | — | 2010-08-17 |