Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9928370 | Communication device, communication method, computer program product, and communication system | Hideaki Sato, Ririka Takahashi, Shinichi Kawamura, Shinya Murai | 2018-03-27 |
| 9893884 | Communication device, communication system, and communication method | Alex Dixon | 2018-02-13 |
| 9813237 | Receiver, transmitter, communication system, and communication method | Akira Murakami | 2017-11-07 |
| 9768954 | Quantum key distribution device, quantum key distribution system, and computer program product | Ririka Takahashi | 2017-09-19 |
| 9755828 | Communication device, communication method, computer program product, and communication system | — | 2017-09-05 |
| 9755826 | Quantum key distribution device, quantum key distribution system, and quantum key distribution method | — | 2017-09-05 |
| 9652620 | Quantum communication device, quantum communication method, and computer program product | Kazuaki Doi | 2017-05-16 |
| 9569731 | Quantum communication device, quantum communication method, and computer program product | Kazuaki Doi | 2017-02-14 |
| 9509510 | Communication device, communication method, and computer program product | — | 2016-11-29 |
| 9509589 | Communication device, communication system, communication method, and computer program product | Hideaki Sato, Ririka Takahashi | 2016-11-29 |
| 9503257 | Quantum key distribution device, quantum key distribution system, and quantum key distribution method | — | 2016-11-22 |
| 9467284 | Transmitter, receiver, quantum key distribution (QKD) system and quantum key distribution method | Alex Dixon | 2016-10-11 |
| 9455827 | Communication apparatus, computer program product, and communication system | Hideaki Sato, Ririka Takahashi, Alex Dixon | 2016-09-27 |
| 9450929 | Communication device, communication system, and computer program product | Hideaki Sato, Ririka Takahashi | 2016-09-20 |
| 9356780 | Device, method, and system for encrypted communication by using encryption key | Hideaki Sato, Ririka Takahashi, Shinichi Kawamura, Shinya Murai | 2016-05-31 |
| 9350542 | Quantum key distribution device, quantum key distribution system, and quantum key distribution method | Ririka Takahashi | 2016-05-24 |
| 9313184 | Communication apparatus, communication system, and computer program product | Hideaki Sato, Shinichi Kawamura | 2016-04-12 |
| 9306734 | Communication device, key generating device, and computer readable medium | Shinichi Baba | 2016-04-05 |
| 9294269 | Communication apparatus and communication method | Yasuyuki Tanaka, Mitsuru Kanada | 2016-03-22 |
| 9240882 | Key generating device and key generating method | Shinichi Baba | 2016-01-19 |
| 9197608 | Communication method, application device, program, and communication system | Shinichi Baba | 2015-11-24 |
| 9191406 | Message relaying apparatus, communication establishing method, and computer program product | Naoki Esaka, Tsutomu Shibata | 2015-11-17 |
| 9106406 | Communication apparatus and key managing method | Shinichi Baba, Hideaki Sato | 2015-08-11 |
| 9083684 | Communication node, key synchronization method, and key synchronization system | Shinichi Baba | 2015-07-14 |
| 9083682 | Communication device and computer program product | Hideaki Sato, Shinichi Kawamura | 2015-07-14 |