Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12143201 | Reconfigurable optical add/drop multiplexer | Gangxiang Shen, Yongcheng Li | 2024-11-12 |
| 11953732 | Optical cross-connect | Yunfei Yan, Zhiyong Feng | 2024-04-09 |
| 11953803 | Method for controlling voltages of liquid crystal on silicon two-dimensional array and related device | Zeshan Chang, Lei Mao, Tong Li, Hong-Jie Yang | 2024-04-09 |
| 11343010 | Polarization-dependent loss determining method, detection system, and optical signal transmission structure | Wei Jia, Bing Zou, Lei Mao, Chao Pan | 2022-05-24 |
| 11307354 | Wavelength selective switch based on LCoS | Lei Mao | 2022-04-19 |
| 11067752 | Reconfigurable optical add/drop multiplexer | Yunfei Yan, Zhiyong Feng, Han Zhao | 2021-07-20 |
| 10942397 | Spatial phase modulator and method for producing spatial phase modulator | Daping Chu, Haining Yang | 2021-03-09 |
| 10901294 | Wavelength selective switch, alignment direction obtaining method, and liquid crystal on silicon and method for manufacturing same | Lei Mao, Mi Wang, Han Zhao | 2021-01-26 |
| 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 |
| 9977190 | Wavelength selective switch | Han Zhao | 2018-05-22 |
| 9762983 | Wavelength selective switch | Han Zhao | 2017-09-12 |
| 9641917 | Optical communications apparatus and method | Yunfei Yan, Zhiyong Feng, Han Zhao | 2017-05-02 |
| 9515766 | Node apparatus | Han Zhao, Ning Liu | 2016-12-06 |