Inventor · disambiguated record
Ren-Yi Chen
Also filed as: Chen ren-yi
24 granted patents·7 pending applications·60 citations·filing 2008–2024
92Inventor score
Files withWELTREND SEMICONDUCTOR INC8LEADTREND TECH CORP7Chen ren-yi5GRENERGY OPTO INC3CHANG YUAN-WEN2
Top patents by PatentIndex Score
31 records- 0187US8120931B2Power converter with control circuit and related control methodCHANG YUAN-WEN·Filed 2008·Granted Feb 21, 2012·31 cites·16 claims
- 0285US9036377B2Control circuit of a switched-mode power converter and method thereofCHANG YUAN-WEN·Filed 2012·Granted May 19, 2015·10 cites·6 claims
- 0382US8766670B2Sample-and-hold circuit for generating a variable sample delay time of a transformer and method thereofLEADTREND TECH CORP·Filed 2013·Granted Jul 1, 2014·6 cites·13 claims
- 0476US10897205B2Power controllers and power converters with configurable feedback loop for different nominal output voltagesWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Jan 19, 2021·2 cites·7 claims
- 0568US11545904B2Power controllers and power converters with configurable feedback loop for different nominal output voltagesWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Jan 3, 2023·0 cites·6 claims
- 0666US9112418B2Controller for a switched mode power supply having an integrated circuit with multifunction pinGRENERGY OPTO INC·Filed 2013·Granted Aug 18, 2015·2 cites·17 claims
- 0765US10164518B2Power control device capable of detecting the condition of the sensing resistorWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Dec 25, 2018·1 cites·10 claims
- 0865US9036385B2Power supply, power management device applied to a power supply, and method for performing brown-out protection and overheat protection of a power management deviceLEADTREND TECH CORP·Filed 2012·Granted May 19, 2015·3 cites·6 claims
- 0962US9520791B2Power controller with multi-function pin and power supply using the sameLEADTREND TECH CORP·Filed 2013·Granted Dec 13, 2016·2 cites·10 claims
- 1061US8976559B2Control methods and power controllers with load compensation adapted for a power supplySHEN YI-LUN·Filed 2012·Granted Mar 10, 2015·2 cites·14 claims
- 1157US2025211086A1Power Converter, Primary-Side Controller, Secondary-Side Controller, and Related Control Method Capable of Operating in Standby ModeWELTREND SEMICONDUCTOR INC·Filed 2024·Application pending·0 cites
- 1254US10199942B2Controller and power supplyLEADTREND TECH CORP·Filed 2017·Granted Feb 5, 2019·0 cites·7 claims
- 1352US9735684B2Controllers, power supplies and control methodsLEADTREND TECH CORP·Filed 2014·Granted Aug 15, 2017·0 cites·4 claims
- 1452US8619440B2Over current protection method used in a switched-mode power supply and related controllerHUANG KUO-CHIEN·Filed 2011·Granted Dec 31, 2013·1 cites·8 claims
- 1549US11056968B2Power converter, power controller, and control method capable of providing multiple protectionsWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Jul 6, 2021·0 cites·17 claims
- 1649US9431911B2Switching mode power supply capable of providing a block time in response to an output currentGRENERGY OPTO INC·Filed 2014·Granted Aug 30, 2016·0 cites·13 claims
- 1748US11050351B2Control method in use of active-clamp flyback power converterWELTREND SEMICONDUCTOR INC·Filed 2020·Granted Jun 29, 2021·0 cites·11 claims
- 1848US10560028B2Switching mode power supply with dynamic high-voltage charging to maintain operating voltageWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Feb 11, 2020·0 cites·14 claims
- 1944US9343984B2Controller of a power converter with adjustable jitter amplitude and method of generating adjustable jitter amplitude thereofLEADTREND TECH CORP·Filed 2014·Granted May 17, 2016·0 cites·20 claims
- 2043US9148013B1Control methods for over voltage protection and relevant power controllersGRENERGY OPTO INC·Filed 2014·Granted Sep 29, 2015·0 cites·12 claims
- 2143US8913360B2Controllers, power supplies and control methodsHUANG KUO-CHIEN·Filed 2011·Granted Dec 16, 2014·0 cites·2 claims
- 2240US2014036558A1Power Controllers, Power Supplies and Control Methods ThereforLEADTREND TECH CORP·Filed 2013·Application pending·0 cites
- 2339US10141836B1Control circuit capable of detecting status of receiving power and decreasing voltage of capacitor accordinglyWELTREND SEMICONDUCTOR INC·Filed 2018·Granted Nov 27, 2018·0 cites·10 claims
- 2438US8284572B2Current control method and apparatusYEH WEN-CHUNG·Filed 2008·Granted Oct 9, 2012·0 cites·4 claims
- 2536US8525504B2Switching power supply and related control methodChen ren-yi·Filed 2009·Granted Sep 3, 2013·0 cites·20 claims
- 2635US8247981B2Integrated circuit and related method for determining operation modesChen ren-yi·Filed 2009·Granted Aug 21, 2012·0 cites·8 claims
- 2735US2010052742A1Limit signal generator, pwm control circuit, and pwm control method thereofCHEN CHUN-TEH·Filed 2008·Application pending·0 cites
- 2833US2012112564A1Discharging module applied in a switched-mode power supply and method thereofWU CHIN-HO·Filed 2011·Application pending·0 cites
- 2932US2012140370A1Protection Circuit and Protection MethodChen ren-yi·Filed 2011·Application pending·0 cites
- 3030US2013240502A1Rapid thermal anneal system and processChen ren-yi·Filed 2012·Application pending·0 cites
- 3129US2012008343A1High-Voltage Startup Method and Power Management ApparatusChen ren-yi·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →