Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8014521 | Cryptographic computation method, cryptographic system, and computer program | Masanobu Katagi, Tsuyoshi Takagi | 2011-09-06 |
| 7957527 | Cryptographic processing apparatus | Masanobu Katagi, Toru Akishita, Tsuyoshi Takagi | 2011-06-07 |
| 7697683 | Cryptography-processing method, cryptography-processing apparatus and computer program | Masanobu Katagi, Toru Akishita, Tsuyoshi Takagi | 2010-04-13 |
| 6522607 | Recording device and method, decoding device and method, providing medium, and information recording medium | Yoshihito Ishibashi, Tomoyuki Asano, Jun Kitahara | 2003-02-18 |