Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630797 | High efficiency driver apparatus for driving a cold cathode fluorescent lamp | Jinrong Qian | 2003-10-07 |
| 6519164 | Single power stage AC/DC forward converter with power switch voltage clamping function | Jinrong Qian | 2003-02-11 |
| 6487094 | High efficiency DC-DC power converter | Jinrong Qian | 2002-11-26 |
| 6477064 | High efficiency DC-DC power converter with turn-off snubber | Jinrong Qian | 2002-11-05 |
| 6417629 | Push-pull based voltage-clamping electronic ballast | Jinrong Qian | 2002-07-09 |