Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8205075 | Authentication device and method | Shiho Moriai, Muneki Shimada | 2012-06-19 |
| 8165288 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai, Toru Akishita, Shiho Moriai | 2012-04-24 |
| 8073140 | Encryption/decryption device, encryption/decryption method, and computer program | Taizo Shirai | 2011-12-06 |
| 8031866 | Cryptographic processing apparatus and cryptographic processing method, and computer program | Taizo Shirai | 2011-10-04 |
| 7433470 | Cryptographic processing apparatus, cryptographic processing method, and computer program | Taizo Shirai | 2008-10-07 |
| 7269529 | Data processing apparatus, program, and method for testing a secured circuit and maintaining confidentiality of the circuit | Masanobu Okabe, Masafumi Kusakawa, Sumio Morioka, Asami Yoshida, Muneki Shimada +1 more | 2007-09-11 |