Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10608426 | High temperature protection system for adjusting duty cycle by using pulse width modulation signal | Wan-Yang Chen, Jia Liu | 2020-03-31 |
| 10338652 | High voltage protection system for adjusting duty cycle by using pulse width modulation signal | Wan-Yang Chen, Jia Liu | 2019-07-02 |
| 9859837 | Negative voltage protection system for reducing an intensity of negative voltage | Jia Liu, Wan-Yang Chen | 2018-01-02 |
| 9184746 | Contactless switch and associated method | — | 2015-11-10 |
| 7250735 | Driving circuit of a fan | Kung C. Hung | 2007-07-31 |
| 7019473 | Noiseless driving circuit for DC motor | Kung C. Hung | 2006-03-28 |
| 6617818 | Voltage independent PWM base frequency generating method | Chia-Chang Hsu | 2003-09-09 |
| 6522093 | Method for driving a brushless DC motor | Chia-Chang Hsu | 2003-02-18 |