Issued Patents 2020
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10873410 | Reception device and method of detecting supervisory control signal | Yi Ge, Hisao Nakashima, Tomofumi Oyama, Yuichi Akiyama | 2020-12-22 |
| 10862592 | Optical receiver, optical transmission system, and reception processing method | Hisao Nakashima | 2020-12-08 |
| 10853719 | Data collecting device and optical transmission system | Takahito Tanimura | 2020-12-01 |
| 10797799 | Optical transmission apparatus, optical transmission system, and optical transmission method | Goji Nakagawa, Kyosuke Sone, Yoshio Hirose, Setsuo Yoshida | 2020-10-06 |
| 10749604 | Optical phase distortion compensating device and method of compensating optical phase distortion | Tomoyuki Kato | 2020-08-18 |
| 10720992 | Transmission apparatus, reception apparatus, and method for estimating characteristics of transmission line | Takahito Tanimura, Shigeki Watanabe, Tomoyuki Kato | 2020-07-21 |
| 10567077 | Imbalance compensation device, transmission device, and imbalance compensation method | Tomofumi Oyama, Yoshitaka Nomura, Hisao Nakashima | 2020-02-18 |
| 10554325 | Receiver and receiving method | Tomohiro Yamauchi, Takahito Tanimura, Rafael Puerta Ramirez | 2020-02-04 |