Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876649 | Optical disc recording and reproducing apparatus | Yasunori Kuwayama | 2011-01-25 |
| 7870463 | Optical disc recording and playback apparatus | Yasunori Kuwayama | 2011-01-11 |