Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9391965 | Data search device, data search method, data search program, data registration device, data registration method, data registration program, and information processing device | Mitsuhiro Hattori, Nori Matsuda, Takashi Ito, Takumi Mori | 2016-07-12 |
| 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, Takumi Mori, Takashi Ito, Nori Matsuda, Tsutomu Sakagami | 2016-03-01 |
| 9237137 | Key generation device, key generation program, secret search system, and key distribution method | Mitsuhiro Hattori, Takashi Ito, Nori Matsuda | 2016-01-12 |