Issued Patents 2018
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122489 | Polarization state detector, optical transmitter, and optical receiver | — | 2018-11-06 |
| 10090927 | Digital signal processing circuit and signal processing device that includes a plurality of digital signal processing circuits | Yoshitaka Nomura, Tomofumi Oyama, Yi Ge, Yuichi Akiyama, Yoshio Hirose +1 more | 2018-10-02 |
| 10063322 | Optical transmitter and control method of optical transmitter | Yuichi Akiyama | 2018-08-28 |
| 10057012 | Error correction circuit and optical transmission system | Yi Ge, Takeshi Hoshida | 2018-08-21 |
| 9906296 | Network controller and signal quality estimating method | Shoichiro Oda, Yasuhiko Aoki, Takeshi Hoshida, Hiroki Oi | 2018-02-27 |
| 9887798 | Transmission apparatus, reception apparatus and modulation method | Yoshitaka Nomura, Yuichi Akiyama, Takeshi Hoshida | 2018-02-06 |