Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11424913 | Key exchange system and key exchange method | Hiroki Watanabe, Koutarou Suzuki, Shigenori Ohashi, Shigeru Fujimura, Atsushi Nakadaira | 2022-08-23 |
| 11316676 | Quantum-proof multiparty key exchange system, quantum-proof multiparty terminal device, quantum-proof multiparty key exchange method, program, and recording medium | Koha Kinjo, Yuki OKANO | 2022-04-26 |
| 10686604 | Key device, key cloud system, decryption method, and program | Go Yamamoto, Tetsutaro Kobayashi | 2020-06-16 |
| 10419213 | Key exchange method, key exchange system, key device, terminal device, and program | Akira Nagai, Tetsutaro Kobayashi | 2019-09-17 |