Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7693246 | Frequency control device and information reproduction apparatus | Junkichi Sugita, Nobuyuki Asai | 2010-04-06 |
| 7663831 | Reproduction device and method, recording medium, and program | Kenichi Hayashi, Masaki Endo | 2010-02-16 |