Issued Patents 2017
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9853739 | Optical transmitter and method for controlling bias of optical modulator | Takeshi Hoshida, Yuichi Akiyama | 2017-12-26 |
| 9787396 | Optical transmission device, transmission system, and transmission method | Kiichi Sugitani, Takahito Tanimura, Yuichi Akiyama | 2017-10-10 |
| 9667347 | Optical transmitter, optical receiver, method of compensating non-linear distortion, and communication apparatus | Tomofumi Oyama, Takeshi Hoshida | 2017-05-30 |
| 9654224 | Optical transmission device, nonlinear distortion compensation method, and nonlinear distortion pre-equalization method | Tomofumi Oyama, Takahito Tanimura, Takeshi Hoshida, Yuichi Akiyama | 2017-05-16 |
| 9654216 | Optical transmitter and waveform distortion correction method | Takahito Tanimura, Yuichi Akiyama | 2017-05-16 |
| 9634764 | Estimating device and method for estimating | Tomofumi Oyama | 2017-04-25 |
| 9559785 | Frequency error estimating apparatus and method, frequency error compensating apparatus, and optical receiver | — | 2017-01-31 |