Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9705858 | Information processing device and information processing method to maintain secret key for authentication | Taizo Shirai, Koichi Sakumoto, Yu Tanaka | 2017-07-11 |
| 9607173 | Information processing apparatus, information processing method, and recording medium | Taizo Shirai, Yu Tanaka, Koichi Sakumoto | 2017-03-28 |