Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9276746 | Encryption system, encryption processing method of encryption system, encryption device, decryption device, setup device, key generation device, and key delegation device using a user identifier for a user who belongs to a k-th hierarchy in an organization | Mitsuhiro Hattori, Takato Hirano, Takumi Mori, Takashi Ito, Nori Matsuda | 2016-03-01 |