Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9134349 | Amplifier circuits and methods | Jinxi Hu, Jiabin Wang | 2015-09-15 |
| 8674641 | System and method for regulating motor rotation speed | Zhihong Zhang | 2014-03-18 |
| 8120402 | PWM control circuit having adjustable minimum duty cycle | Zhihong Zhang | 2012-02-21 |
| 7961022 | Pulsed width modulated control method and apparatus | Zhihong Zhang | 2011-06-14 |