Inventor · disambiguated record
Inhwan Oh
Also filed as: OH INHWAN · OH INHWAN (SIMON)
27 granted patents·11 pending applications·124 citations·filing 2012–2024
94Inventor score
Files withAPPLE INC23STEK CO LTD8SAMSUNG ELECTRO MECH3KOREA INST SCI & TECH2MARVELL WORLD TRADE LTD1
Top patents by PatentIndex Score
38 records- 0196US10170974B1Variable frequency and burst mode operation of primary resonant flyback convertersAPPLE INC·Filed 2017·Granted Jan 1, 2019·38 cites·20 claims
- 0294US9768700B2Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to DC converterAPPLE INC·Filed 2016·Granted Sep 19, 2017·11 cites·20 claims
- 0393US10601250B1Asymmetric duty control of a half bridge power converterAPPLE INC·Filed 2017·Granted Mar 24, 2020·11 cites·20 claims
- 0493US10218256B2Primary side control of primary resonant flyback convertersAPPLE INC·Filed 2017·Granted Feb 26, 2019·8 cites·20 claims
- 0593US9001539B2AC-DC resonant converter that provides high efficiency and high power densityAPPLE INC·Filed 2012·Granted Apr 7, 2015·16 cites·27 claims
- 0691US10917006B1Active burst ZVS boost PFC converterAPPLE INC·Filed 2019·Granted Feb 9, 2021·9 cites·19 claims
- 0790US9391524B2Hysteretic-mode pulse frequency modulated (HM-PFM) resonant AC to DC converterAPPLE INC·Filed 2012·Granted Jul 12, 2016·10 cites·23 claims
- 0888US10505445B2Power converter with output voltage controlAPPLE INC·Filed 2016·Granted Dec 10, 2019·6 cites·16 claims
- 0987US11121573B1Low-profile power converterAPPLE INC·Filed 2017·Granted Sep 14, 2021·6 cites·19 claims
- 1084US11095206B2AC-DC converter with boost front end having flat current and active blanking controlAPPLE INC·Filed 2019·Granted Aug 17, 2021·4 cites·25 claims
- 1176US10778108B2Frequency doubling resonant converterAPPLE INC·Filed 2019·Granted Sep 15, 2020·2 cites·18 claims
- 1271US2024327672A1Method for restoring protecting film for vehicleSTEK CO LTD·Filed 2023·Application pending·0 cites
- 1369US8786205B2Method and apparatus for LED lightingZHANG WANFENG·Filed 2012·Granted Jul 22, 2014·2 cites·20 claims
- 1468US10148178B2Synchronous buck converter with current sensingAPPLE INC·Filed 2017·Granted Dec 4, 2018·1 cites·20 claims
- 1567US12023997B2Window film for vehicles including grapheneSTEK CO LTD·Filed 2021·Granted Jul 2, 2024·0 cites·10 claims
- 1667US2025381761A1Protective film for vehicle glass with heat shielding function, and method for manufacturing the sameSTEK CO LTD·Filed 2024·Application pending·0 cites
- 1765US12301118B2Forward mode soft switching power converterAPPLE INC·Filed 2022·Granted May 13, 2025·0 cites·19 claims
- 1862US11362592B1AC/DC converter with active capacitor bankAPPLE INC·Filed 2020·Granted Jun 14, 2022·0 cites·21 claims
- 1961US12202234B2Exterior film of building for protecting glassSTEK CO LTD·Filed 2022·Granted Jan 21, 2025·0 cites·8 claims
- 2059US11447664B2Color wrapping film for vehicleSTEK CO LTD·Filed 2021·Granted Sep 20, 2022·0 cites·5 claims
- 2159US2024327673A1Compound composite for protecting film for vehicleSTEK CO LTD·Filed 2023·Application pending·0 cites
- 2258US2023398765A1High-gloss pattern film for vehicle and method of manufacturing the sameSTEK CO LTD·Filed 2022·Application pending·0 cites
- 2357US2019260282A1Primary resonant flyback convertersAPPLE INC·Filed 2019·Application pending·0 cites
- 2457US2024292529A1Circuit board and method of fabricating circuit boardSAMSUNG ELECTRO MECH·Filed 2023·Application pending·0 cites
- 2556US2024170420A1Substrate and method of manufacturing the sameSAMSUNG ELECTRO MECH·Filed 2023·Application pending·0 cites
- 2656US2024170330A1Substrate and manufacturing method for the sameSAMSUNG ELECTRO MECH·Filed 2023·Application pending·0 cites
- 2755US11660847B2Protective film for windshield of vehicleSTEK CO LTD·Filed 2020·Granted May 30, 2023·0 cites·8 claims
- 2855US8803438B2Method and apparatus for current control with LED driverMARVELL WORLD TRADE LTD·Filed 2012·Granted Aug 12, 2014·0 cites·20 claims
- 2952US10707699B2Interphase transformer based rectifier for wireless power transferAPPLE INC·Filed 2017·Granted Jul 7, 2020·0 cites·21 claims
- 3048US10985646B2Continuous conduction boost converter with zero voltage switching and power factor correctionAPPLE INC·Filed 2018·Granted Apr 20, 2021·0 cites·24 claims
- 3148US9977475B2Over voltage protection for a communication line of a busAPPLE INC·Filed 2015·Granted May 22, 2018·0 cites·22 claims
- 3247US9846127B2Colorimetric detection sensor and colorimetric detection method for detecting cyanide anion by etching of gold nanorodsKOREA INST SCI & TECH·Filed 2016·Granted Dec 19, 2017·0 cites·13 claims
- 3347US9774266B2Reducing output voltage undershoot in isolated power convertersAPPLE INC·Filed 2015·Granted Sep 26, 2017·0 cites·15 claims
- 3447US2021399643A1Active Clamp Resonant Flyback Converter with Integrated Boost StageAPPLE INC·Filed 2021·Application pending·0 cites
- 3546US10742118B2Quasi-resonant power converter with reduced dynamic switching lossesAPPLE INC·Filed 2016·Granted Aug 11, 2020·0 cites·20 claims
- 3641US10928326B2Selective colorimetric detection sensor and selective colorimetric detection method for detecting hexavalent chromium ions using size controlled label-free gold nanoparticlesKOREA INST SCI & TECH·Filed 2016·Granted Feb 23, 2021·0 cites·8 claims
- 3740US2018083490A1Single-Isolation Wireless Power ConverterAPPLE INC·Filed 2017·Application pending·0 cites
- 3838US2019267901A1Forward Mode Soft Switching Resonant ConverterAPPLE INC·Filed 2018·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →