Issued Patents 2016
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9413531 | Cryptographic system, cryptographic method, cryptographic program, and decryption device | Tatsuaki Okamoto | 2016-08-09 |
| 9407438 | Cryptographic system, cryptographic method, and cryptographic program | Tatsuaki Okamoto | 2016-08-02 |
| 9385867 | Cryptographic processing system, key generation device, encryption device, decryption device, key delegation device, cryptographic processing method, and cryptographic processing program | Tatsuaki Okamoto | 2016-07-05 |
| 9344276 | Cryptographic system, re-encryption key generation device, re-encryption device, cryptographic method, and cryptographic program | Yutaka Kawai | 2016-05-17 |
| 9237013 | Encrypted data management device, encrypted data management method, and encrypted data management program | Sachihiro Ichikawa, Nori Matsuda, Tadakazu YAMANAKA | 2016-01-12 |