Issued Patents 2017
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9787396 | Optical transmission device, transmission system, and transmission method | Kiichi Sugitani, Hisao Nakashima, Yuichi Akiyama | 2017-10-10 |
| 9654216 | Optical transmitter and waveform distortion correction method | Hisao Nakashima, Yuichi Akiyama | 2017-05-16 |
| 9654224 | Optical transmission device, nonlinear distortion compensation method, and nonlinear distortion pre-equalization method | Tomofumi Oyama, Takeshi Hoshida, Hisao Nakashima, Yuichi Akiyama | 2017-05-16 |
| 9634787 | Optical add-drop multiplexer | Shigeki Watanabe, Tomoyuki Kato | 2017-04-25 |
| 9571224 | Transmission device, receiving device, and communication method | — | 2017-02-14 |
| 9553674 | Optical transmitter and method of optical transmission | Takeshi Hoshida | 2017-01-24 |