Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018745 | System and method providing over current and over power protection for power converter | Lieyi Fang, Shifeng Zhao, Bo Li | 2011-09-13 |
| 7990202 | System and method for driving bipolar transistors in switching power conversion | Lieyi Fang, Shifeng Zhao, Zhenhua Li | 2011-08-02 |
| 7880407 | Driver system and method with cyclic configuration for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps | Lieyi Fang, Changshan Zhang, Shifeng Zhao | 2011-02-01 |