Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11265080 | Submarine cable fault determining method and apparatus | Changwu Xu, Guangjun Wang, Yingli Tao, Li Yang, Jianping Li | 2022-03-01 |
| 9768899 | Optical add/drop multiplexer branching unit | Likun Zhang, Wendou Zhang | 2017-09-19 |