Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8731399 | Power saving method, system and optical network unit in passive optical network | Weiliang Zhang | 2014-05-20 |
| 8712242 | Ranging method and apparatus in passive optical network | Weiliang Zhang | 2014-04-29 |
| 8655174 | Wavelength division multiplexer compatible with two types of passive optical networks | Songlin Zhu, Jie Su | 2014-02-18 |
| 8619591 | Transmission method and assembling method for physical layer operations, administration and maintenance (PLOAM) message in a passive optical network | Weiliang Zhang, Marek Hajduczenia | 2013-12-31 |