Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10355856 | Key exchange method, key exchange system, key distribution device, communication device, and program | Reo Yoshida, Hitoshi Fuji, Tetsutaro Kobayashi, Yuto KAWAHARA, Kazuki Yoneyama | 2019-07-16 |
| 10275960 | Security system, management apparatus, permission apparatus, terminal apparatus, security method and program | Hitoshi Fuji, Tetsutaro Kobayashi, Reo Yoshida | 2019-04-30 |