Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12034862 | Anonymous broadcast method, key exchange method, anonymous broadcast system, key exchange system, communication device, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Hitoshi Fuji | 2024-07-09 |
| 11985250 | Anonymous broadcast method, key exchange method, anonymous broadcast system, key exchange system, communication device, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Hitoshi Fuji | 2024-05-14 |
| 11677543 | Key exchange method and key exchange system | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Hitoshi Fuji | 2023-06-13 |
| 11451518 | Communication device, server device, concealed communication system, methods for the same, and program | Tetsutaro Kobayashi, Yuto KAWAHARA, Hitoshi Fuji, Reo Yoshida | 2022-09-20 |
| 11336436 | Key distribution system and method, key generation apparatus, representative user terminal, server apparatus, user terminal, and program | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Hitoshi Fuji | 2022-05-17 |
| 11258588 | Key exchange method and key exchange system | Reo Yoshida, Tetsutaro Kobayashi, Yuto KAWAHARA, Hitoshi Fuji | 2022-02-22 |
| 10630465 | Key exchange method, key exchange system, communication device and storage medium therefore | Tetsutaro Kobayashi, Reo Yoshida, Hitoshi Fuji, Tomohide Yamamoto, Yuto KAWAHARA | 2020-04-21 |
| 10355856 | Key exchange method, key exchange system, key distribution device, communication device, and program | Reo Yoshida, Hitoshi Fuji, Tetsutaro Kobayashi, Tomohide Yamamoto, Yuto KAWAHARA | 2019-07-16 |