Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11425474 | Ranging method and communication method for optical network, OLT, ONU, and optical network system | Dan Geng, Mingsheng Li, Liquan Yuan, Yong Guo | 2022-08-23 |
| 9036138 | Method and system for detecting fiber fault in passive optical network | Jidong Xu, Jie Su, Jianxin Lu | 2015-05-19 |
| 7634160 | Passive optical network system based on a wavelength protection and protecting backup method thereof | Mingsheng Li | 2009-12-15 |