Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8675876 | Differential phase shift keying quantum key distribution | Yoshihisa Yamamoto, Eleni Diamanti, Edo Waks, Hiroki Takesue, Toshimori Honjo | 2014-03-18 |
| 7346166 | Quantum key distribution system and method using regulated single-photon source | Edo Waks, Yoshihisa Yamamoto | 2008-03-18 |
| 5414548 | Arrayed-wave guide grating multi/demultiplexer with loop-back optical paths | Yoshiaki Tachikawa, Masao Kawachi, Hiroshi Takahashi | 1995-05-09 |