Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165674 | Abnormality notification system, abnormality notification method, and abnormality notifying device | Yosuke Nakamura, Tatsuro Matsumoto | 2021-11-02 |
| 11082214 | Key generation apparatus and key update method | Koichi Yasaki, Tadanobu Tsunoda | 2021-08-03 |
| 11076293 | Access control device, computer-readable recording medium storing access control program, and access control system | Koichi Yasaki, Tadanobu Tsunoda, Hidenobu Ito | 2021-07-27 |