Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11083107 | Electronic device and power module thereof | He Li | 2021-08-03 |
| 9480111 | Apparatus and method for driving semiconductor light-emitting device assembly | Weiqiang Zhang, Lizhi Xu | 2016-10-25 |
| 8946997 | End-of-life detector for gas discharge lamp and the ballast incorporating the same | Weiqiang Zhang, Jianping Ying | 2015-02-03 |
| 8937440 | Lighting device and voltage reduction method thereof | Lizhi Xu, Weiqiang Zhang | 2015-01-20 |
| 7199526 | Electronic ballast | Chenyang Liu, Xiaoju Hu, Jianping Ying | 2007-04-03 |