Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12095927 | Signature verification system, verification key management apparatus, verification key management method and program | Yuki OKANO, Tetsuya Okuda | 2024-09-17 |
| 12039527 | Service providing system, service providing device, service providing method, and service providing program | Ryohei Suzuki, Tetsuya Okuda | 2024-07-16 |
| 11900735 | Voting system, vote relay server, client terminal, voting method, advertisement distribution system, and program | Tetsuya Okuda, Ryo Kikuchi | 2024-02-13 |
| 11783377 | Communication system, communication apparatus, communication method, program and advertisement communication system | Tetsuya Okuda, Yuki OKANO | 2023-10-10 |
| 11316676 | Quantum-proof multiparty key exchange system, quantum-proof multiparty terminal device, quantum-proof multiparty key exchange method, program, and recording medium | Yuki OKANO, Tsunekazu Saito | 2022-04-26 |