Issued Patents All Time
Showing 251–275 of 340 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7443702 | High voltage start up circuit for power converters | Chih-Feng Huang | 2008-10-28 |
| 7440298 | Synchronous rectification circuit for power converters | — | 2008-10-21 |
| 7436126 | Resonant ballast circuit | — | 2008-10-14 |
| 7426120 | Switching control circuit having a valley voltage detector to achieve soft switching for a resonant power converter | Rui-Hong Lu, Chuh-Ching Li, Feng-Cheng Tsao, Pei-Sheng Tsu | 2008-09-16 |
| 7417287 | Electrostatic discharge device having controllable trigger voltage | Chih-Feng Huang, Jenn-yu G. Lin, Tuo-Hsin Chien | 2008-08-26 |
| 7414865 | Controller having output current control for a power converter | — | 2008-08-19 |
| 7405545 | Voltage-regulator and power supply having current sharing circuit | — | 2008-07-29 |
| 7405595 | High-side transistor driver having positive feedback for improving speed and power saving | Chuh-Ching Li, Yu-Min Chen | 2008-07-29 |
| 7391628 | Switching controller having frequency hopping for power supplies and method therefor | Guo-Kiang Hung, Song-Yi Lin | 2008-06-24 |
| 7368878 | Current-mode resonant ballast | Jea-Sen Lin | 2008-05-06 |
| 7365997 | Synchronous switching control circuit for power converters | Cheng-Sung Chen, Rui-Hong Lu | 2008-04-29 |
| 7362592 | Switching control circuit for primary-side controlled power converters | Guo-Kiang Hung, Jenn-yu G. Lin, Chuh-Ching Li, Shao-Wei Chiu | 2008-04-22 |
| 7362593 | Switching control circuit having off-time modulation to improve efficiency of primary-side controlled power supply | Guo-Kiang Hung, Jenn-yu G. Lin, Chuh-Ching Li, Feng-Cheng Tsao | 2008-04-22 |
| 7355250 | Electrostatic discharge device with controllable holding current | Chih-Feng Huang, Jenn-yu G. Lin, Tuo-Hsin Chien | 2008-04-08 |
| 7352595 | Primary-side controlled switching regulator | Chuh-Ching Li, Feng-Cheng Tsao | 2008-04-01 |
| 7349229 | Causal sampling circuit for measuring reflected voltage and demagnetizing time of transformer | — | 2008-03-25 |
| 7313004 | Switching controller for resonant power converter | Chien-Yuan Lin, Kuang-Chih Shih, Wei Wang | 2007-12-25 |
| 7310244 | Primary side controlled switching regulator | Pei-Hsuan Cheng | 2007-12-18 |
| 7310251 | Control circuit having two-level under voltage lockout threshold to improve the protection of power supply | Wei-Hsuan Huang | 2007-12-18 |
| 7286123 | LED driver circuit having temperature compensation | — | 2007-10-23 |
| 7285837 | Electrostatic discharge device integrated with pad | Chih-Feng Huang, Tuo-Hsin Chien, Jenn-yu G. Lin | 2007-10-23 |
| 7286376 | Soft-switching power converter having power saving circuit for light load operations | — | 2007-10-23 |
| 7274251 | Apparatus and method of current sharing | — | 2007-09-25 |
| 7259525 | High efficiency switching LED driver | — | 2007-08-21 |
| 7259972 | Primary-side-control power converter having a switching controller using frequency hopping and voltage and current control loops | — | 2007-08-21 |