Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10841014 | Optical receiver and coherent optical reception method | — | 2020-11-17 |
| 10666362 | Optical transmission system, PON system, and transmission method | Kazuki Tanaka, Kosuke Nishimura, Masatoshi Suzuki | 2020-05-26 |
| 10547380 | Polarization tracking device, optical receiving device, and polarization tracking method | — | 2020-01-28 |