Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9831772 | Resonant converter with synchronous rectifier feedback | Jinho Choi, Wanfeng Zhang, Chang-yi Qian | 2017-11-28 |
| 9692316 | Bleeder method using switch node coupling capacitor for TRIAC dimming of solid state lighting | Chang-yi Qian, Wanfeng Zhang | 2017-06-27 |