Inventor · disambiguated record
Gwanbon Koo
Also filed as: KOO GWANBON
43 granted patents·2 pending applications·90 citations·filing 2013–2023
97Inventor score
Files withFAIRCHILD KOREA SEMICONDUCTOR LTD20SEMICONDUCTOR COMPONENTS IND LLC19FAIRCHILD KR SEMICONDUCTOR LTD4FAIRCHILD SEMICONDUCTOR2
Top patents by PatentIndex Score
45 records- 0196US10141830B1Burst operation of a switching controller having a plurality of foldback curvesSEMICONDUCTOR COMPONENTS IND LLC·Filed 2017·Granted Nov 27, 2018·23 cites·20 claims
- 0292US10148188B2Clamp voltage detection and over-voltage protection for power supply topologiesFAIRCHILD SEMICONDUCTOR·Filed 2017·Granted Dec 4, 2018·10 cites·32 claims
- 0391US10199921B2Load detecting deviceFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Feb 5, 2019·5 cites·20 claims
- 0489US10985663B2Power converter responsive to device connection statusSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Apr 20, 2021·4 cites·19 claims
- 0589US10069426B2Active clamp flyback converterFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2017·Granted Sep 4, 2018·7 cites·17 claims
- 0688US10236720B2Wireless power transfer system and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2014·Granted Mar 19, 2019·7 cites·11 claims
- 0787US10326371B2Providing adaptive output powerSEMICONDUCTOR COMPONENTS IND LLC·Filed 2017·Granted Jun 18, 2019·3 cites·20 claims
- 0884US10320301B2Power converter responsive to device connection statusSEMICONDUCTOR COMPONENTS IND LLC·Filed 2017·Granted Jun 11, 2019·3 cites·19 claims
- 0983US10038388B2Converter having a low conduction loss and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2014·Granted Jul 31, 2018·5 cites·19 claims
- 1083US9991812B2Variable blanking frequency for resonant convertersFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2017·Granted Jun 5, 2018·3 cites·20 claims
- 1182US11646581B2Power adapters with multiple charging portsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2021·Granted May 9, 2023·1 cites·7 claims
- 1282US10985662B2Power converter responsive to device connection statusSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Apr 20, 2021·2 cites·20 claims
- 1381US10177645B2Synchronous rectifier turn-on enableSEMICONDUCTOR COMPONENTS IND LLC·Filed 2017·Granted Jan 8, 2019·3 cites·19 claims
- 1480US10790753B2Reduced voltage switching of a main switch in flyback power convertersSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Sep 29, 2020·2 cites·17 claims
- 1575US12451694B2Power adapters with multiple charging portsSEMICONDUCTOR COMPONENTS IND LLC·Filed 2023·Granted Oct 21, 2025·0 cites·11 claims
- 1674US10491117B2Soft-start circuit for buck converter controlFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Nov 26, 2019·1 cites·20 claims
- 1774US10164528B2Switch control circuit and buck converter including the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Dec 25, 2018·1 cites·7 claims
- 1873US10825598B2Planar magnetic elementFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Nov 3, 2020·1 cites·12 claims
- 1973US10510477B2Planar transformer with multilayer circuit boardFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Dec 17, 2019·1 cites·20 claims
- 2072US9331604B2Piezoelectric driving circuit and piezoelectric driving methodFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2013·Granted May 3, 2016·2 cites·21 claims
- 2171US9716399B2Vehicle chargerFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Jul 25, 2017·2 cites·14 claims
- 2270US9350257B2Power supply apparatus and driving method thereofFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2014·Granted May 24, 2016·3 cites·20 claims
- 2367US10790748B2Soft-start circuit and buck converter comprising the sameSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Sep 29, 2020·0 cites·20 claims
- 2467US10784784B2DC-DC converter with dynamic feedback loopSEMICONDUCTOR COMPONENTS IND LLC·Filed 2017·Granted Sep 22, 2020·1 cites·20 claims
- 2565US11121628B2Switch control circuit and buck converter comprising the sameSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Sep 14, 2021·0 cites·18 claims
- 2664US10554129B2Switch control circuit and buck converter including the sameSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Feb 4, 2020·0 cites·20 claims
- 2760US10958179B2Reduced voltage switching of a main switch in flyback power convertersSEMICONDUCTOR COMPONENTS IND LLC·Filed 2020·Granted Mar 23, 2021·0 cites·18 claims
- 2859US10560030B2Cable compensation circuit and power supply including the sameSEMICONDUCTOR COMPONENTS IND LLC·Filed 2019·Granted Feb 11, 2020·0 cites·20 claims
- 2959US10291122B2Input voltage detection circuit and power supply including the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted May 14, 2019·0 cites·19 claims
- 3059US10277128B2Switch control circuit and buck converter comprising the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Apr 30, 2019·0 cites·20 claims
- 3159US9831777B2Switch control circuit and converter including the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Nov 28, 2017·0 cites·21 claims
- 3258US10700592B2Load detecting deviceSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Jun 30, 2020·0 cites·20 claims
- 3357US10790756B2Variable blanking frequency for resonant convertersSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Sep 29, 2020·0 cites·20 claims
- 3457US10574146B2Converter and driving method thereofSEMICONDUCTOR COMPONENTS IND LLC·Filed 2018·Granted Feb 25, 2020·0 cites·20 claims
- 3557US2020395855A1Reduced voltage switching of a main switch in flyback power convertersSEMICONDUCTOR COMPONENTS IND LLC·Filed 2020·Application pending·0 cites
- 3655US9504104B2Power supply apparatus and driving method thereofFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2014·Granted Nov 22, 2016·0 cites·23 claims
- 3754US9762068B2Wireless power transfer systemFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2014·Granted Sep 12, 2017·0 cites·16 claims
- 3852US10389254B2Cable compensation circuit and power supply including the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2013·Granted Aug 20, 2019·0 cites·20 claims
- 3951US9917503B2Overcurrent protection circuit and power factor correction circuit comprising the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2016·Granted Mar 13, 2018·0 cites·22 claims
- 4050US9306244B2Bidirectional interface circuit and battery management system including the sameFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2013·Granted Apr 5, 2016·0 cites·20 claims
- 4146US9825541B2Output current estimating method and power supply device using the sameFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Nov 21, 2017·0 cites·21 claims
- 4245US9482724B2Load detecting method and power supply device where the method is appliedFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2015·Granted Nov 1, 2016·0 cites·11 claims
- 4343US2014145682A1Battery management circuit and battery management system including the sameFAIRCHILD KR SEMICONDUCTOR LTD·Filed 2013·Application pending·0 cites
- 4442US10468985B2Input AC line control for AC-DC convertersFAIRCHILD SEMICONDUCTOR·Filed 2016·Granted Nov 5, 2019·0 cites·20 claims
- 4537US10289134B2Cable compensation circuitFAIRCHILD KOREA SEMICONDUCTOR LTD·Filed 2013·Granted May 14, 2019·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →