Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10355577 | Control circuit and control method of switching power supply | Haisong Li, Changshen Zhao, Wenliang Liu, Biao Zhou, Tao Zhang +1 more | 2019-07-16 |
| 10312816 | Primary controller of switching power supply and switching power supply | Changshen Zhao, Haisong Li, Wenliang Liu | 2019-06-04 |