Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027227 | Optical disc apparatus | Tsuyoshi Yamamoto | 2011-09-27 |
| 6429997 | Speed profile selecting means for a recording and reproducing apparatus | — | 2002-08-06 |
| 6392847 | Disk apparatus with special coils for voice coil motor | Hidetoshi Kabasawa | 2002-05-21 |