Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201546 | Power converter and control circuit thereof | — | 2021-12-14 |
| 10600562 | Manufacturing method of magnetic element | Fu-Kai Tu | 2020-03-24 |
| 10439490 | Rectifier and associated rectifying circuit | — | 2019-10-08 |
| 10256583 | Power adapter | — | 2019-04-09 |
| 9859790 | Power detection and transmission circuit coupling analog input signal on primary side to secondary side for power information calculation and related power supply apparatus | Fu-Kai Tu | 2018-01-02 |
| 9735667 | Power supply management circuit utilizing multistage activation and related management method | — | 2017-08-15 |
| 9455635 | Snubber circuit and buffering method for snubber circuit | — | 2016-09-27 |
| 9196574 | Snubber circuit and method of using bipolar junction transistor in snubber circuit | — | 2015-11-24 |
| 9197203 | Cycle modulation circuit for limiting peak voltage and associated power supply | — | 2015-11-24 |
| 8941962 | Snubber circuit and method of using bipolar junction transistor in snubber circuit | — | 2015-01-27 |
| 8674667 | Post regulation control circuit | Hua-Ming Lu | 2014-03-18 |
| 8564993 | Switch control circuit, switch control method, power converter, and power conversion method for controlling conducting statuses of switch elements in bridgeless switching circuit | — | 2013-10-22 |
| 7908310 | Multiplier-divider having error offset function | — | 2011-03-15 |
| 7907426 | Flyback circuit providing synchronized control | Chien-Li Tsai | 2011-03-15 |
| 7869499 | Variable-frequency circuit with a compensation mechanism | Chien-Li Tsai | 2011-01-11 |
| 7869235 | Flyback converter having an active snubber | Chien-Li Tsui | 2011-01-11 |
| 7764522 | Circuit and method for controlling the start-up cycle of a power supply | — | 2010-07-27 |
| 7633777 | Active peak voltage-limiting clamp circuit | — | 2009-12-15 |
| 7538592 | Pulse controller with dual latches | — | 2009-05-26 |
| 7508185 | Simple zero current switch circuit | — | 2009-03-24 |
| 7499294 | Self-excitation synchronous rectification driver | Chien-Li Tsai | 2009-03-03 |
| 7495875 | Power abnormal protection circuit | — | 2009-02-24 |
| 7391626 | Chop wave control circuit | — | 2008-06-24 |
| 7310247 | Method for controlling transformer excitation cycles and circuit for controlling the same | Chien-Li Tsai | 2007-12-18 |
| 7224590 | Forward converter with synchronous rectifier and reverse current control | — | 2007-05-29 |