Inventor · disambiguated record
Hang-Seok Choi
Also filed as: CHOI HANG SEOK
51 granted patents·6 pending applications·304 citations·filing 2006–2022
98Inventor score
Files withFAIRCHILD KR SEMICONDUCTOR LTD17FAIRCHILD KOREA SEMICONDUCTOR LTD8CHOI HANG-SEOK5MINTIT CO LTD5SEMICONDUCTOR COMPONENTS IND LLC5
Top patents by PatentIndex Score
57 records- 0194US7684216B2Quasi resonant switching mode power supplyFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2008·Granted Mar 23, 2010·59 cites·17 claims
- 0293US9887633B2Resonant converter control techniques to manage negative SR currentFAIRCHILD SEMICONDUCTOR·Filed 2015·Granted Feb 6, 2018·8 cites·22 claims
- 0389US9729072B2Resonant converter and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Aug 8, 2017·4 cites·20 claims
- 0489US7957162B2Switch mode power supply and driving method thereofFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2007·Granted Jun 7, 2011·34 cites·19 claims
- 0588US10199819B2Resonant converter and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2017·Granted Feb 5, 2019·2 cites·20 claims
- 0687US7525819B2Switching mode power supply and method for generating a bias voltageFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2006·Granted Apr 28, 2009·18 cites·13 claims
- 0786US9812855B2Resonant converter and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Nov 7, 2017·2 cites·20 claims
- 0886US8670252B2Switch controller, switch control method, converter using the same, and driving method thereofKIM JIN-TAE·Filed 2012·Granted Mar 11, 2014·7 cites·13 claims
- 0984US9647528B2Switch control circuit and resonant converter including the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted May 9, 2017·4 cites·21 claims
- 1083US7768802B2Switching mode power supply and method of operationFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2007·Granted Aug 3, 2010·19 cites·46 claims
- 1182US7791909B2Quasi-resonant converter and controlling method thereofFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2007·Granted Sep 7, 2010·18 cites·15 claims
- 1281US8085558B2Resonant converterCHOI HANG-SEOK·Filed 2009·Granted Dec 27, 2011·16 cites·16 claims
- 1380US10205376B2Switch control circuit including multipin to set dead time information and/or protection modeFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2017·Granted Feb 12, 2019·2 cites·14 claims
- 1479US10014789B2Resonant converter and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2017·Granted Jul 3, 2018·2 cites·18 claims
- 1579US8242755B2Switch control device and converter including the samePARK YOUNG-BAE·Filed 2009·Granted Aug 14, 2012·13 cites·22 claims
- 1678US8169802B2Switch controller of a converter with a soft start signal generator comprising a plurality of current sourcesKIM JIN-TAE·Filed 2008·Granted May 1, 2012·12 cites·23 claims
- 1777US9136915B2Wireless communication deviceSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted Sep 15, 2015·4 cites·20 claims
- 1875US8780596B2Voltage adjusting circuit, contactless card and contactless card system having the same, and methods of operating the voltage adjusting circuit and the contactless cardSONG IL JONG·Filed 2012·Granted Jul 15, 2014·4 cites·16 claims
- 1975US7848124B2Overload and short protected soft-start converterFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2008·Granted Dec 7, 2010·7 cites·25 claims
- 2074US9929657B2Alternating valley switching for power converterSEMICONDUCTOR COMPONENTS IND LLC·Filed 2016·Granted Mar 27, 2018·2 cites·13 claims
- 2174US9627988B2Switch control circuit and resonant converter including the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Apr 18, 2017·2 cites·20 claims
- 2273US9350258B2Conduction detecting circuit, rectifying switch controlling circuit including the conduction detecting circuit and power supply for the rectifying switch controlling circuit to be appliedFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2014·Granted May 24, 2016·3 cites·20 claims
- 2370US8089784B2Synchronous rectifierCHOI HANG-SEOK·Filed 2008·Granted Jan 3, 2012·9 cites·16 claims
- 2469US8654546B2Method and apparatus for controlling resonant power converterLIN TIEN-CHI·Filed 2012·Granted Feb 18, 2014·3 cites·16 claims
- 2568US7773393B2Switching mode power supplyFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2007·Granted Aug 10, 2010·8 cites·18 claims
- 2666US7880453B2Interleaved switching converter, and switching controller and controlling method thereofFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2008·Granted Feb 1, 2011·7 cites·22 claims
- 2764US7684215B2Switching mode power supply and driving method thereofFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2007·Granted Mar 23, 2010·6 cites·24 claims
- 2863US9344153B2Reader receivers and reader transceivers including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted May 17, 2016·1 cites·16 claims
- 2962US9005313B2Device for preparing bio-oil, system for preparing bio-oil and method for preparing bio-oil using the sameCHOI HANG-SEOK·Filed 2010·Granted Apr 14, 2015·1 cites·6 claims
- 3062US8111102B2Auto gain controllers, and communication terminals having the sameKIM IN HYUK·Filed 2010·Granted Feb 7, 2012·4 cites·6 claims
- 3161US9825453B2Protection mode control circuit, switch control circuit including the protection mode control circuit and power supply device including the switch control circuitFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Nov 21, 2017·0 cites·20 claims
- 3260US10574128B2Switch control circuit including multipin to set dead time information and/or protection modeSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Feb 25, 2020·0 cites·18 claims
- 3360US9148051B2Switch control device and converter including the sameMOON SANG-CHEOL·Filed 2009·Granted Sep 29, 2015·5 cites·14 claims
- 3459US11394225B2Method and apparatus for changing impedance of terminal included in connectorSAMSUNG ELECTRONICS CO LTD·Filed 2018·Granted Jul 19, 2022·1 cites·14 claims
- 3558US10608543B2Resonant converter and driving method thereofSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Mar 31, 2020·0 cites·20 claims
- 3658US8036001B2Resonant converter with variable frequency controlled by phase comparisonFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2009·Granted Oct 11, 2011·3 cites·22 claims
- 3754US8242758B2Converter and driving method thereofCHOI HANG-SEOK·Filed 2008·Granted Aug 14, 2012·3 cites·22 claims
- 3854US8139381B2Power converter, and switching controller and driving method thereofMOON SANG-CHEOL·Filed 2009·Granted Mar 20, 2012·3 cites·21 claims
- 3953US10177667B2Alternating valley switching for power converterSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Jan 8, 2019·0 cites·20 claims
- 4053US2015326103A1Switch control circuit and power supply device including the sameFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2014·Application pending·0 cites
- 4152US8115466B2Converter and driving method thereofCHOI HANG-SEOK·Filed 2008·Granted Feb 14, 2012·3 cites·19 claims
- 4250US8169800B2Power converter, switching control device thereof, and driving method thereofMOON SANG-CHEOL·Filed 2009·Granted May 1, 2012·2 cites·17 claims
- 4348US8000119B2Switching mode power supply and method of operationFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2007·Granted Aug 16, 2011·2 cites·50 claims
- 4446US7710746B2Switching mode power supply and driving method thereofFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2008·Granted May 4, 2010·1 cites·47 claims
- 4544US12197988B2Logistics smart label, smart box and logistics system including the sameHYUNSUNG CO LTD·Filed 2022·Granted Jan 14, 2025·0 cites·11 claims
- 4644US9966867B2Dead time compensation for synchronous rectifiers in adaptive output powersSEMICONDUCTOR COMPONENTS IND LLC·Filed 2016·Granted May 8, 2018·0 cites·20 claims
- 4744US9419686B2Receiver of NFC device and NFC device including the sameSAMSUNG ELECTRONICS CO LTD·Filed 2014·Granted Aug 16, 2016·0 cites·20 claims
- 4841US11995963B2Logistics device, logistics control system, and theft prevention method of the sameHYUNSUNG CO LTD·Filed 2022·Granted May 28, 2024·0 cites·10 claims
- 4941US7881083B2Switch control device, switch control method, and converter using the sameFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2008·Granted Feb 1, 2011·0 cites·59 claims
- 5041US2022383239A1Logistics control system and methodHYUNSUNG CO LTD·Filed 2022·Application pending·0 cites
Showing the top 50 of 57 patent records by PatentIndex Score.
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