Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10666363 | Method and apparatus for transmitting optical signal, and wavelength selective switch | Han Zhao, Zhiyong Feng, Yunfei Yan | 2020-05-26 |
| 10666375 | Signal monitoring method and apparatus for wavelength selective switch WSS | Han Zhao, Zhiyong Feng, Yunfei Yan | 2020-05-26 |
| 10620376 | Reconfigurable optical add/drop multiplexer | Yunfei Yan, Zhiyong Feng, Han Zhao | 2020-04-14 |
| 10560186 | Optical power equilibrium method and apparatus | Han Zhao, Zhiyong Feng, Yunfei Yan | 2020-02-11 |