Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10439807 | Communication device, communication system, and communication method | Ririka Takahashi | 2019-10-08 |
| 10348492 | Quantum key distribution device, quantum key distribution system, and quantum key distribution method | Hideaki Sato, Kazuaki Doi, Ririka Takahashi, Akira Murakami | 2019-07-09 |
| 10341097 | Communication device, quantum key distribution system, quantum key distribution method, and computer program product | Ririka Takahashi | 2019-07-02 |
| 10291400 | Quantum key distribution device, quantum key distribution system, and quantum key distribution method | — | 2019-05-14 |
| 10291590 | Communication system, communication apparatus, communication method, and computer program product | Hideaki Sato | 2019-05-14 |