Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9497816 | Method for minimizing LED flicker of an LED driver system | Chi-Jung Wang | 2016-11-15 |
| 9049760 | PFC LED driver having a flicker control mechanism | — | 2015-06-02 |
| 9024539 | PFC LED driver capable of reducing flicker | Yu-Wen Chang | 2015-05-05 |
| 8720310 | Socket wrench with an energy-saving function | Sin-Heng Wang, Tsun-Te Wang | 2014-05-13 |
| 8692475 | PFC LED driver capable of reducing current ripple | — | 2014-04-08 |
| 8664870 | Cascoded current regulator | Wei-Chuan Su, Pen-Li Chou | 2014-03-04 |
| 8536850 | High side controller capable of sensing input voltage and ouput voltage of a power conversion circuit | Wei-Chuan Su, Yu-Wen Chang | 2013-09-17 |
| 8516927 | Socket wrench with an energy-saving function | Sin-Heng Wang, Chin-He Wang | 2013-08-27 |
| 8390357 | Fixed dead time PFC controller | Chia-Chieh Hung | 2013-03-05 |
| 8384304 | LED driver controller | Chia-Chieh Hung, Ko-Yen Lee, Wei-Chuan Su | 2013-02-26 |
| 8355546 | Method for identifying fingerprint image | Cheng-Hsing Kuo, Tung-Jung Wu | 2013-01-15 |
| 8314515 | System corrected programmable integrated circuit | Wei-Chun Hsiao | 2012-11-20 |
| 8264184 | Low-pin count fan speed control system and a method thereof | Chang-Ling Sha, Ko-Ming Lin, Ko-Yen Lee | 2012-09-11 |
| 8253350 | Open loop LED driving circuit | Chia-Chien Hung, Ko-Yen Lee | 2012-08-28 |
| 8129968 | Integrated circuit for system calibration | Wei-Chun Hsiao | 2012-03-06 |
| 8068354 | Current-level controlling device for a power supply device and related power supply device | Chi-Hao Wu, Chia-Chieh Hung, Chin-Yen Lin | 2011-11-29 |
| 8064226 | Control circuit with frequency compensation | Chia-Chieh Hung | 2011-11-22 |
| 8044651 | Efficient PWM controller | Chin-Yen Lin, Chia-Chieh Hung, Yu-Min Shih | 2011-10-25 |
| 7983062 | Minimum on-time reduction method, apparatus, and system using same | Chia-Chien Hung, Chi-Hao Wu | 2011-07-19 |
| 7911815 | Primary-side feedback control device and related method for a power converter | Chin-Yen Lin, Chi-Hao Wu, Chia-Chieh Hung | 2011-03-22 |
| 7876085 | Quasi-resonant valley voltage detecting method and apparatus | Chia-Chieh Hung | 2011-01-25 |
| 7872842 | Overcurrent protection device for a power supply device and related power supply device | Chi-Hao Wu, Chia-Chieh Hung, Chin-Yen Lin | 2011-01-18 |
| 7777530 | Comparator module | Ching-Rong Chang | 2010-08-17 |
| 7719325 | Active-load dominant circuit for common-mode glitch interference cancellation | Yen-Ping Wang, Pei-Yuan Chen | 2010-05-18 |
| 7656217 | Voltage level clamping circuit and comparator module | Ching-Rong Chang | 2010-02-02 |