Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12316747 | Key management device, quantum cryptography communication system, and program | Yoshimichi Tanizawa, Ririka Takahashi | 2025-05-27 |
| 12231553 | Key management device, quantum cryptography communication system, and computer program product | Yasuhiro Katsube, Yoshimichi Tanizawa, Ririka Takahashi, Yasuhiro Fujiyoshi | 2025-02-18 |