Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7925017 | Information recording device, information playback device, information recording medium, information recording method, information playback method, and program providing medium | Taizo Shirai, Yoshihito Ishibashi, Kenji Yoshino, Toru Akishita, Takeshi Ito | 2011-04-12 |