Inventor · disambiguated record
Chang-Sik Lim
Also filed as: LIM CHANG S · LIM CHANG SIK
18 granted patents·1 pending application·158 citations·filing 1992–2012
93Inventor score
Files withLIM CHANG SIK4RYU BEOM-SEON4SAMSUNG ELECTRONICS CO LTD4CHO MOON SOO1FAIRCHILD KR SEMICONDUCTOR LTD1
Top patents by PatentIndex Score
19 records- 0190US8581511B2Circuit and method for generating PWM signal for DC-DC converter using dimming signal and LED driving circuit for backlight having the sameKIM EUNG-SUEN·Filed 2011·Granted Nov 12, 2013·51 cites·23 claims
- 0283US8643289B2PWM controlling circuit and LED driver circuit having the sameRYU BEOM-SEON·Filed 2012·Granted Feb 4, 2014·7 cites·16 claims
- 0381US8941327B2PWM controlling circuit and LED driver circuit having the sameRYU BEOM-SEON·Filed 2012·Granted Jan 27, 2015·6 cites·20 claims
- 0475US9024381B2Semiconductor device and fabricating method thereofCHO MOON-SOO·Filed 2012·Granted May 5, 2015·5 cites·24 claims
- 0574US8651829B2Vacuum pump for vehiclesLIM CHANG SIK·Filed 2010·Granted Feb 18, 2014·3 cites·15 claims
- 0669US9173260B2PWM signal generating circuit for DC-DC converter using dimming signal and LED driver circuit using the same in digital PWM method having fixed phase modeRYU BEOM-SEON·Filed 2011·Granted Oct 27, 2015·2 cites·20 claims
- 0767US5319265AComparator with hysteresisSAMSUNG ELECTRONICS CO LTD·Filed 1992·Granted Jun 7, 1994·29 cites·19 claims
- 0862US8860320B2LED driver apparatusKANG TAE-KYOUNG·Filed 2012·Granted Oct 14, 2014·1 cites·18 claims
- 0962US7971578B2Exhaust gas recirculation valve for vehicleKAMTEC INC·Filed 2009·Granted Jul 5, 2011·4 cites·16 claims
- 1057US8281771B2Exhaust gas recirculation valve in vehicleLIM CHANG SIK·Filed 2010·Granted Oct 9, 2012·1 cites·12 claims
- 1156US6172573B1Oscillator having compensation for a schmitt trigger response delayFAIRCHILD KR SEMICONDUCTOR LTD·Filed 1999·Granted Jan 9, 2001·14 cites·9 claims
- 1254US5614857AHysteresis system with constant threshold voltageSAMSUNG ELECTRONICS CO LTD·Filed 1996·Granted Mar 25, 1997·21 cites·8 claims
- 1350US9596723B2PWM signal generating circuit for DC-DC converter using dimming signal and LED driving circuit having the same in direct digital dimming methodRYU BEOM-SEON·Filed 2011·Granted Mar 14, 2017·0 cites·21 claims
- 1448US9532432B2LED driver apparatusMAGNACHIP SEMICONDUCTOR LTD·Filed 2012·Granted Dec 27, 2016·0 cites·17 claims
- 1540US5841306APulse generator for generating output pulse of a predetermined widthSAMSUNG ELECTRONICS CO LTD·Filed 1996·Granted Nov 24, 1998·6 cites·5 claims
- 1638US5739680AConstant voltage control deviceSAMSUNG ELECTRONICS CO LTD·Filed 1996·Granted Apr 14, 1998·8 cites·11 claims
- 1737US2012255379A1Actuator for vehicleLIM CHANG SIK·Filed 2010·Application pending·0 cites
- 1836US8686652B2Reference voltage generating circuit and LED driver circuit having the same thereinSHIN DU-SU·Filed 2011·Granted Apr 1, 2014·0 cites·17 claims
- 1932US8337143B2Actuator in turbocharger of vehicle and method for controlling the sameLIM CHANG SIK·Filed 2009·Granted Dec 25, 2012·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →