Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10389531 | Authentication system and authentication method | Hiroyuki Tanaka, Masakatsu Matsuo | 2019-08-20 |
| 10015159 | Terminal authentication system, server device, and terminal authentication method | Hiroyuki Tanaka, Kenjiro Ike, Masakatsu Matsuo | 2018-07-03 |
| 9742765 | Authentication system and authentication method | Hiroyuki Tanaka, Masakatsu Matsuo | 2017-08-22 |
| 9692770 | Signature verification using unidirectional function | Kenjiro Ike, Hiroyuki Tanaka, Masakatsu Matsuo | 2017-06-27 |
| 9525557 | Certificate issuing system, client terminal, server device, certificate acquisition method, and certificate issuing method | Hiroyuki Tanaka, Kenjiro Ike, Masakatsu Matsuo | 2016-12-20 |