Inventor · disambiguated record
Ching-Tsan Lee
Also filed as: LEE CHING-TSAN
26 granted patents·8 pending applications·47 citations·filing 2007–2020
93Inventor score
Top patents by PatentIndex Score
34 records- 0189US10826288B1Power circuit for reducing inrush currentEXCELLIANCE MOS CORP·Filed 2019·Granted Nov 3, 2020·6 cites·9 claims
- 0285US8471605B2Driving circuit having current balancing functionalityLEE CHING-TSAN·Filed 2012·Granted Jun 25, 2013·8 cites·15 claims
- 0377US9301364B2Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickeringLEADTREND TECH CORP·Filed 2013·Granted Mar 29, 2016·3 cites·17 claims
- 0473US10826491B1Control circuit for load switchEXCELLIANCE MOS CORP·Filed 2020·Granted Nov 3, 2020·1 cites·11 claims
- 0573US9974124B2LED controllers for dimming at least one LED stringLEADTREND TECH CORP·Filed 2014·Granted May 15, 2018·3 cites·18 claims
- 0672US9613572B2Controller and method for dimming light-emitting diodesLEADTREND TECH CORP·Filed 2015·Granted Apr 4, 2017·2 cites·12 claims
- 0770US10218344B1Voltage conversion circuit and control circuit thereofEXCELLIANCE MOS CORP·Filed 2018·Granted Feb 26, 2019·2 cites·12 claims
- 0870US10186954B1Voltage converting circuit and control circuit thereofEXCELLIANCE MOS CORP·Filed 2018·Granted Jan 22, 2019·2 cites·14 claims
- 0970US9774267B2Power supplies and control methods suitable for sequentially transmitting command bits from secondary side to primary sideLEADTREND TECH CORP·Filed 2016·Granted Sep 26, 2017·2 cites·26 claims
- 1070US8552710B2Calibration apparatus and method thereof, multi-channel driving circuit and current balancing methodLEE CHING-TSAN·Filed 2010·Granted Oct 8, 2013·2 cites·5 claims
- 1169US8044617B2Motor control circuit and operation method thereofLEADTREND TECH CORP·Filed 2008·Granted Oct 25, 2011·10 cites·12 claims
- 1268US9730283B2Drivers and driving methods for a LED string, capable of providing LED short protection or avoiding LED flickeringLEADTREND TECH CORP·Filed 2016·Granted Aug 8, 2017·1 cites·15 claims
- 1366US8860315B2Integrated circuits, control methods and lighting systemsLEE CHING-TSAN·Filed 2011·Granted Oct 14, 2014·2 cites·10 claims
- 1462US10693453B1Power switch circuitEXCELLIANCE MOS CORP·Filed 2019·Granted Jun 23, 2020·1 cites·11 claims
- 1561US9800135B2Ripple suppressorLEADTREND TECH CORP·Filed 2016·Granted Oct 24, 2017·1 cites·20 claims
- 1661US9215773B2Control methods and backlight controllers for light dimmingLEADTREND TECH CORP·Filed 2015·Granted Dec 15, 2015·1 cites·17 claims
- 1757US8823358B2Calibration apparatus and method thereof, multi-channel driving circuit and current balancing methodLEADTREND TECH CORP·Filed 2013·Granted Sep 2, 2014·0 cites·5 claims
- 1849US8829801B2Power contollers and control methodsLEE CHING-TSAN·Filed 2012·Granted Sep 9, 2014·0 cites·22 claims
- 1948US9408276B2Short circuit detection circuit and control method thereofLEADTREND TECH CORP·Filed 2012·Granted Aug 2, 2016·0 cites·7 claims
- 2048US8669706B2Integrated circuits, control methods and lighting systemsLEE CHING-TSAN·Filed 2011·Granted Mar 11, 2014·0 cites·9 claims
- 2147US10571986B2Power delivery controller applied to a power converter and operation method thereofLEADTREND TECH CORP·Filed 2018·Granted Feb 25, 2020·0 cites·11 claims
- 2246US8581502B2Circuit for light emitting diodes, related integrated circuit and control methodLEE CHING-TSAN·Filed 2011·Granted Nov 12, 2013·0 cites·7 claims
- 2346US2011133714A1Power converter with protection mechanism for diode in open-circuit condition and pulse-width-modulation controller thereofCHEN CHEN-MIN·Filed 2011·Application pending·0 cites
- 2444US2013093327A1Control methods for led chainsLEADTREND TECH CORP·Filed 2012·Application pending·0 cites
- 2544US2013038243A1Current-controlled stages, constant current control systems, and current control methods for driving ledsLEADTREND TECH CORP·Filed 2012·Application pending·0 cites
- 2642US10075082B2Switching mode power supplies with fast load-transient responseLEADTREND TECH CORP·Filed 2016·Granted Sep 11, 2018·0 cites·17 claims
- 2741US10186972B2Controller applied to a secondary side of a power convertor and operation method thereofLEADTREND TECH CORP·Filed 2018·Granted Jan 22, 2019·0 cites·11 claims
- 2841US2014049975A1Modular micro-structure light guide deviceLEE CHING-TSAN·Filed 2012·Application pending·0 cites
- 2940US2009115390A1Power converter with protection mechanism for diode in open-circuit condition and pulse-width-modulation controller thereofCHEN CHEN-MIN·Filed 2007·Application pending·0 cites
- 3039US8058832B2Motor driving circuit and method thereofLEE CHING-TSAN·Filed 2008·Granted Nov 15, 2011·0 cites·18 claims
- 3139US2010264891A1Control Method for Voltage Converter and Related Voltage ConverterLEE CHING-TSAN·Filed 2009·Application pending·0 cites
- 3238US10892675B2Voltage converting circuit and control circuit thereofEXCELLIANCE MOS CORP·Filed 2018·Granted Jan 12, 2021·0 cites·7 claims
- 3338US2009302819A1Circuit for Preventing Reverse Current and Method thereofLEE CHING-TSAN·Filed 2008·Application pending·0 cites
- 3438US2012086347A1Control circuit of light emitting diodesLEE CHING-TSAN·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →