Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10090927 | Digital signal processing circuit and signal processing device that includes a plurality of digital signal processing circuits | Hisao Nakashima, Yoshitaka Nomura, Tomofumi Oyama, Yi Ge, Yoshio Hirose +1 more | 2018-10-02 |
| 10063322 | Optical transmitter and control method of optical transmitter | Hisao Nakashima | 2018-08-28 |
| 9989786 | Optical transmission device, optical modulator, and bias control method | Tomohiro Kaneoka, Hiroshi Ogiwara | 2018-06-05 |
| 9887798 | Transmission apparatus, reception apparatus and modulation method | Yoshitaka Nomura, Hisao Nakashima, Takeshi Hoshida | 2018-02-06 |
| 9859985 | Optical transmitter, optical transmission system and optical communication control method | — | 2018-01-02 |