Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9774283 | Motor driving circuit and method | Kun-Min Chen, Ching-Shan Lu, Ming-Jung Tsai | 2017-09-26 |
| 9602036 | Motor speed curve control circuit and moter thereof | Kun-Min Chen, I-Lin Chiu | 2017-03-21 |
| 9512845 | Positive and negative rotation control circuit and fan system | Yi-Cheng Liu, Kun-Min Chen | 2016-12-06 |
| 9490739 | Fan system—rotation speed control circuit and method for rotation speed error auto-calibration thereof | Ming-Jung Tsai, Kun-Min Chen, Chien-Cheng Chen | 2016-11-08 |
| 9184684 | Motor driving circuit and method thereof | Ming-Jung Tsai, Kun-Min Chen | 2015-11-10 |
| 9130498 | Fan system—single-phase DC motor control circuit and control method thereof | Ming-Jung Tsai, Chia-Tai Yang | 2015-09-08 |
| 8947035 | Heat dissipation system, rotation speed control circuit and method thereof | Shen-Min Lo, Kun-Min Chen, Chia-Tai Yang, Ming-Jung Tsai | 2015-02-03 |
| 8624539 | Start-up circuit and motor driving IC | Ying-Chen Lin, Kun-Min Chen, Chia-Tai Yang, Ching-Shan Lu | 2014-01-07 |
| 8581534 | Method and motor driving circuit for adjusting rotational speed of motor | Ming-Jung Tsai, Jyun-Ping Jiang, Kun-Min Chen | 2013-11-12 |
| 8519802 | Pulse width modulation driving IC and pulse width modulation output signal generating method | Chia-Tai Yang, Yi-Cheng Liu, Kun-Min Chen, Ching-Shan Lu | 2013-08-27 |
| 8441243 | Power control circuit, switching power converter, and method for reducing noise and switching loss | Kun-Min Chen, Ke-Tsung Chen, Ming-Jung Tsai | 2013-05-14 |
| 8395343 | Rotation speed control circuit, rotation speed control method and fan system | Ming-Jung Tsai, Kun-Min Chen, Sung-Ming Lai | 2013-03-12 |
| 8183807 | Method of driving DC motor and related circuit for avoiding reverse current | Ming-Jung Tsai, Kun-Min Chen | 2012-05-22 |
| 8174226 | Current limit control method of DC motor and related device and circuit | Ming-Jung Tsai, Kun-Min Chen | 2012-05-08 |
| 8157536 | Rotating speed adjustment circuit and related control system for a heat dissipation fan | Tzu-Cheng Teng, Ming-Jung Tsai, Shen-Min Lo | 2012-04-17 |
| 8154233 | Sensorless method and related device for starting a three-phase brushless direct-current motor | Chia-Tai Yang, Kun-Min Chen, Tzu-Cheng Teng | 2012-04-10 |
| 8080955 | Driving method and related driving device for a motor | Kun-Min Chen, Ming-Jung Tsai, Sung-Ming Lai, Ching-Shan Lu | 2011-12-20 |
| 8063601 | Motor driving circuit for adjusting speed of a motor by changing an output voltage | Ke Chen, Kun-Min Chen, Shen-Min Lo, Ching-Shan Lu | 2011-11-22 |
| 8013557 | Motor protection device and method | — | 2011-09-06 |
| 7940107 | Clamp circuit for clamping inrush voltage induced by hot plugging and related chip | Kun-Min Chen, Tzu-Cheng Teng, Ming-Jung Tsai | 2011-05-10 |
| 7772903 | Pulse width modulation circuit capable of linearly adjusting duty cycle with voltage and related method | Shiue-Shr Jiang, Kun-Min Chen, Ming-Jung Tsai | 2010-08-10 |
| 7710214 | Pulse width modulation structure enabling regulated duty cycle | — | 2010-05-04 |
| 7626452 | Driving circuit to avoid reverse current for soft switching DC motor | Kun-Min Chen, Shen-Min Lo, Chen Yuan | 2009-12-01 |
| 7609101 | PWM switching direct voltage circuit | — | 2009-10-27 |
| 7529109 | Driving circuit for switching DC power | Kun-Min Chen, Shiue-Shr Jiang, Shen-Min Lo, Ming-Jung Tsai | 2009-05-05 |