Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9124420 | Encryption processing device and encryption processing method | Yukiyasu Tsunoo | 2015-09-01 |
| 8731189 | Information processing device, information processing method | Yukiyasu Tsunoo | 2014-05-20 |
| 8619976 | Encryption method, decryption method, device, and program | Yukiyasu Tsunoo, Hiroyasu Kubo, Maki Shigeri, Teruo Saito, Takeshi Kawabata +1 more | 2013-12-31 |
| 8374351 | Encryption device, program, and method | Yukiyasu Tsunoo, Teruo Saito, Hiroyasu Kubo | 2013-02-12 |