Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9413531 | Cryptographic system, cryptographic method, cryptographic program, and decryption device | Katsuyuki Takashima | 2016-08-09 |
| 9407438 | Cryptographic system, cryptographic method, and cryptographic program | Katsuyuki Takashima | 2016-08-02 |
| 9385867 | Cryptographic processing system, key generation device, encryption device, decryption device, key delegation device, cryptographic processing method, and cryptographic processing program | Katsuyuki Takashima | 2016-07-05 |