Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10819429 | Free-space optical communication apparatus and method | Dimitar Nikolaev Kolev | 2020-10-27 |
| 8509446 | Time-bin polarization format exchange technique for entangled optical source | Mikio Fujiwara, Masahide Sasaki, Akihisa Tomita, Yoshihiro Nambu, Ken-ichiro Yoshino | 2013-08-13 |
| 8374505 | Apparatus and method for quantum cryptography communication | Mikio Fujiwara, Hiroo Kunimori | 2013-02-12 |
| 8131160 | Polarization direction synchronization detecting circuit and receiving apparatus | — | 2012-03-06 |
| 8036541 | Coherent optical receiver | Nozomu Nishinaga, Yoshihisa Takayama, Hiroo Kunimori | 2011-10-11 |
| 7627255 | Satellite information autonomous distribution satellite, satellite information collecting system, and satellite terrestrial test system | Yoshinori Arimoto | 2009-12-01 |