Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11909867 | Key exchange system, method and program for generating a shared key for secure communication | Fumitaka Hoshino, Akira Nagai | 2024-02-20 |
| 11902428 | Key exchange system, communication apparatus, key exchange method and program | Fumitaka Hoshino, Akira Nagai, Atsushi Fujioka, Koutarou Suzuki | 2024-02-13 |
| 11757620 | Cipher system, encryption apparatus, decryption apparatus, cipher method, encryption method, decryption method and program | — | 2023-09-12 |
| 11533176 | Decryption device, encryption device, and cryptographic system | Katsuyuki Takashima | 2022-12-20 |