Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957527 | Cryptographic processing apparatus | Masanobu Katagi, Izuru Kitamura, Tsuyoshi Takagi | 2011-06-07 |
| 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, Takeshi Ito, Shigekazu Hayashi | 2011-04-12 |