Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8837955 | Phase modulation apparatus, transmitting apparatus, receiving apparatus, and phase modulation method | Tsuyoshi Nishioka | 2014-09-16 |
| 7894604 | Quantum cryptographic communication apparatus | Tsuyoshi Nishioka, Toshio Hasegawa | 2011-02-22 |
| 7649996 | Cryptographic communication apparatus | Tsuyoshi Nishioka, Toshio Hasegawa | 2010-01-19 |
| 7260222 | Shared data refining device and shared data refining method | Akihiro Yamamura | 2007-08-21 |
| 6778314 | Phase modulator and phase modulating method | Toshio Hasegawa, Tsuyoshi Nishioka | 2004-08-17 |