Inventor · disambiguated record
Isaac Y. Chen
Also filed as: CHEN ISAAC · CHEN ISAAC Y
106 granted patents·24 pending applications·402 citations·filing 2006–2023
99Inventor score
Files withRICHTEK TECHNOLOGY CORP79TANG CHIEN-FU10ELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC7CHEN ISAAC Y4JAO TONG-CHENG4
Top patents by PatentIndex Score
130 records- 0197US9781786B2Control circuit and method of a LED driverRICHTEK TECHNOLOGY CORP·Filed 2016·Granted Oct 3, 2017·39 cites·20 claims
- 0296US7501805B2Circuit and method for soft start from a residual voltageRICHTEK TECHNOLOGY CORP·Filed 2006·Granted Mar 10, 2009·62 cites·13 claims
- 0395US11303218B2Low delay time power converter circuit and driver circuit thereofRICHTEK TECHNOLOGY CORP·Filed 2020·Granted Apr 12, 2022·4 cites·32 claims
- 0494US10097092B1Multi-phase switching regulator and control circuit and control method thereofRICHTEK TECHNOLOGY CORP·Filed 2018·Granted Oct 9, 2018·12 cites·33 claims
- 0593US8570020B2Frequency control circuit and method for a non-constant frequency voltage regulatorTANG CHIEN-FU·Filed 2010·Granted Oct 29, 2013·16 cites·10 claims
- 0692US8786267B2Real time adjustable zero current detection for a switching regulatorLU SHAO-HUNG·Filed 2011·Granted Jul 22, 2014·18 cites·12 claims
- 0790US9755511B2Current regulator circuit capable of reducing current ripple and method of reducing current rippleRICHTEK TECHNOLOGY CORP·Filed 2016·Granted Sep 5, 2017·8 cites·24 claims
- 0888US9912224B2Power supply system and short circuit and/or bad connection detection method thereof, and power converter thereofSHIU YI MIN·Filed 2015·Granted Mar 6, 2018·8 cites·12 claims
- 0988US8605845B2Adaptive phase-shifted synchronization clock generation circuit and method for generating phase-shifted synchronization clockCHEN ISAAC·Filed 2011·Granted Dec 10, 2013·10 cites·2 claims
- 1088US8253507B2Fixed-frequency control circuit and method for pulse width modulationTANG CHIEN-FU·Filed 2010·Granted Aug 28, 2012·10 cites·10 claims
- 1186US7315190B1PWM circuit and PWM integrated circuit for use in PWM circuitRICHTEK TECHNOLOGY CORP·Filed 2006·Granted Jan 1, 2008·14 cites·34 claims
- 1285US9871453B2Control circuit and method of a power converterRICHTEK TECHNOLOGY CORP·Filed 2016·Granted Jan 16, 2018·4 cites·8 claims
- 1385US9654011B2Control circuit and method of a power converterRICHTEK TECHNOLOGY CORP·Filed 2015·Granted May 16, 2017·4 cites·11 claims
- 1485US8350548B2Frequency control circuit and method for a non-constant frequency voltage regulatorRICHTEK TECHNOLOGY CORP·Filed 2010·Granted Jan 8, 2013·8 cites·10 claims
- 1584US9479063B2Frequency jittering control circuit and method for a PFM power supplyPAN JIUN-HUNG·Filed 2012·Granted Oct 25, 2016·9 cites·29 claims
- 1684US9307612B2Light emitting device driver circuit and driving method of light emitting device circuitJAO TONG-CHENG·Filed 2015·Granted Apr 5, 2016·6 cites·12 claims
- 1783US9362834B2Flyback power supply circuit with programmable function and control method thereofTANG CHIEN-FU·Filed 2015·Granted Jun 7, 2016·5 cites·23 claims
- 1883US8704590B2Control circuit for power converter and method thereofRICHTEK TECHNOLOGY CORP·Filed 2013·Granted Apr 22, 2014·6 cites·9 claims
- 1983US8508203B2Control circuit of switching regulator and control method thereof and transistor device thereforTANG CHIEN FU·Filed 2010·Granted Aug 13, 2013·7 cites·13 claims
- 2082US8320149B2Multi-chip module with master-slave analog signal transmission functionTANG CHIEN FU·Filed 2010·Granted Nov 27, 2012·6 cites·11 claims
- 2182US7741901B2Circuit for charging a bootstrap capacitor in a voltage converterRICHTEK TECHNOLOGY CORP·Filed 2008·Granted Jun 22, 2010·14 cites·5 claims
- 2281US11297702B2Dimmer interface circuit and buffer stage circuit thereofRICHTEK TECHNOLOGY CORP·Filed 2020·Granted Apr 5, 2022·1 cites·49 claims
- 2381US9130464B2Soft-start switching power converting apparatus with pulse-frequency modulation techniqueRICHTEK TECHNOLOGY CORP·Filed 2013·Granted Sep 8, 2015·5 cites·20 claims
- 2481US8436664B2Circuit and method for implementing power good and chip enable control by a multi-functional pin of an integrated circuitWANG JO-YU·Filed 2011·Granted May 7, 2013·7 cites·8 claims
- 2581US8295022B2Overstress protection apparatus and methodTANG CHIEN-FU·Filed 2010·Granted Oct 23, 2012·6 cites·8 claims
- 2680US9104216B2Mixed mode compensation circuit and method for a power converterRICHTEK TECHNOLOGY CORP·Filed 2012·Granted Aug 11, 2015·5 cites·31 claims
- 2780US8723552B2Configuration and method for improving noise immunity of a floating gate driver circuitTSENG PEI-KAI·Filed 2012·Granted May 13, 2014·8 cites·32 claims
- 2880US8634212B2Controller and controlling method for power converterTANG CHIEN-FU·Filed 2011·Granted Jan 21, 2014·6 cites·5 claims
- 2979US10980090B1Light emitting device driving apparatus and dimming control circuit and dimming control method thereofRICHTEK TECHNOLOGY CORP·Filed 2020·Granted Apr 13, 2021·1 cites·21 claims
- 3079US10461624B2Power switch control circuit and open detection method thereofRICHTEK TECHNOLOGY CORP·Filed 2017·Granted Oct 29, 2019·2 cites·4 claims
- 3179US10097094B2Control circuit and method for programming an output voltage of a power converterRICHTEK TECHNOLOGY CORP·Filed 2015·Granted Oct 9, 2018·2 cites·15 claims
- 3279US8779806B2Circuit and method for improving noise immunity of a single-end level shifter in a floating gate driverRICHTEK TECHNOLOGY CORP·Filed 2013·Granted Jul 15, 2014·4 cites·20 claims
- 3378US9979214B2Adaptive buck converter and charging cable using the sameRICHTEK TECHNOLOGY CORP·Filed 2016·Granted May 22, 2018·3 cites·38 claims
- 3477US9008251B2Adaptive phase-shifted synchronization clock generation circuit and method for generating phase-shifted synchronization clockCHEN ISAAC·Filed 2013·Granted Apr 14, 2015·5 cites·13 claims
- 3576US9203295B2Bleeding circuit and method for reducing power consumption of an EMI filterLEE YEN-TE·Filed 2012·Granted Dec 1, 2015·5 cites·11 claims
- 3676US9119254B2Light emitting device power supply circuit with dimming function and control circuit thereofLEE YI-WEI·Filed 2014·Granted Aug 25, 2015·4 cites·12 claims
- 3776US7576522B2Circuit and method for soft start of a switching regulator from a residual voltageRICHTEK TECHNOLOGY CORP·Filed 2008·Granted Aug 18, 2009·7 cites·10 claims
- 3875US12266913B2Abnormal current protection device and abnormal current protection methodELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC·Filed 2023·Granted Apr 1, 2025·0 cites·11 claims
- 3973US8643292B2Digital dimming device and digital dimming methodTANG CHIEN-FU·Filed 2010·Granted Feb 4, 2014·3 cites·15 claims
- 4072US10461652B2Flyback power converter and secondary side control circuit thereofRICHTEK TECHNOLOGY CORP·Filed 2018·Granted Oct 29, 2019·2 cites·23 claims
- 4172US9042126B2Switching power converting apparatus, switching controller for the same, and method of controlling a bipolar junction transistor of the sameCHENG JUNG-PEI·Filed 2013·Granted May 26, 2015·5 cites·15 claims
- 4271US8724349B2Apparatus and method for output voltage calibration of a primary feedback flyback power moduleTANG CHIEN-FU·Filed 2011·Granted May 13, 2014·3 cites·8 claims
- 4370US10326351B2Switching regulator and control circuit thereofRICHTEK TECHNOLOGY CORP·Filed 2018·Granted Jun 18, 2019·2 cites·24 claims
- 4470US8400127B2Average current regulator and driver circuit thereof and method for regulating average currentCHEN AN-TUNG·Filed 2010·Granted Mar 19, 2013·3 cites·44 claims
- 4569US9277616B1Light emitting device driver circuitJAO TONG-CHENG·Filed 2015·Granted Mar 1, 2016·2 cites·10 claims
- 4669US8064534B2Single-wire asynchronous serial interfaceCHEN ISAAC Y·Filed 2010·Granted Nov 22, 2011·2 cites·6 claims
- 4768US8203321B2Multi-functional DrMOSLIANG NAI-YUAN·Filed 2009·Granted Jun 19, 2012·14 cites·25 claims
- 4867US8203379B2Mix mode wide range divider and method thereofCHEN YUEH-MING·Filed 2011·Granted Jun 19, 2012·4 cites·22 claims
- 4966US12267072B2Electronic device and method for audio signal processingELITE SEMICONDUCTOR MICROELECTRONICS TECHNOLOGY INC·Filed 2023·Granted Apr 1, 2025·0 cites·14 claims
- 5066US10587312B1Transmission interface having noise reduction functionRICHTEK TECHNOLOGY CORP·Filed 2019·Granted Mar 10, 2020·1 cites·23 claims
Showing the top 50 of 130 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →