Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7274645 | Reproduction signal processing apparatus and optical disc player including the same | — | 2007-09-25 |
| 6999394 | Optical disc playback apparatus | Youichi Ogura, Shinichiro Sato | 2006-02-14 |