Inventor · disambiguated record
Hyeon-Seok Hwang
Also filed as: HWANG HYEON-SEOK
33 granted patents·12 pending applications·111 citations·filing 2005–2025
95Inventor score
Top patents by PatentIndex Score
45 records- 0195US7227389B2Circuit and method for compensating for offset voltageSAMSUNG ELECTRO MECH·Filed 2005·Granted Jun 5, 2007·54 cites·8 claims
- 0292US11358369B2Plating steel sheet for hot press forming, forming member using same, and manufacturing method thereforPOSCO·Filed 2018·Granted Jun 14, 2022·4 cites·6 claims
- 0389US12297544B2Hot press formed product having excellent corrosion resistance and method for preparing samePOSCO CO LTD·Filed 2023·Granted May 13, 2025·0 cites·9 claims
- 0489US7525395B2Step attenuatorSAMSUNG ELECTRO MECH·Filed 2008·Granted Apr 28, 2009·20 cites·6 claims
- 0588US2024082902A1Microcrack-reduced, hot press-formed article, and method for manufacturing samePOSCO CO LTD·Filed 2023·Application pending·0 cites
- 0687US10626504B2Plated steel sheet for hot press forming having excellent weldability and corrosion resistance, forming member, and manufacturing method thereofPOSCO·Filed 2018·Granted Apr 21, 2020·1 cites·15 claims
- 0782US11228337B2Apparatus with transmission route switching of radio frequency signals and radio frequency moduleSAMSUNG ELECTRO MECH·Filed 2020·Granted Jan 18, 2022·2 cites·17 claims
- 0879US2025207235A1Hot press formed product having excellent corrosion resistance and method for preparing samePOSCO CO LTD·Filed 2025·Application pending·0 cites
- 0978US11833778B2Plating steel sheet for hot press forming, forming member using same, and manufacturing method thereforPOSCO CO LTD·Filed 2022·Granted Dec 5, 2023·0 cites·14 claims
- 1078US2025034692A1Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing samePOSCO CO LTD·Filed 2024·Application pending·0 cites
- 1176US7636009B2Bias current generating apparatus with adjustable temperature coefficientSAMSUNG ELECTRO MECH·Filed 2008·Granted Dec 22, 2009·9 cites·14 claims
- 1274US12435404B2Aluminum alloy-plated steel sheet, hot-formed member, and methods for manufacturing aluminum alloy-plated steel sheet and hot-formed memberPOSCO·Filed 2020·Granted Oct 7, 2025·0 cites·3 claims
- 1373US10700717B1Band selection switch circuit and amplifierSAMSUNG ELECTRO MECH·Filed 2019·Granted Jun 30, 2020·2 cites·16 claims
- 1471US11801665B2Hot-dip galvanized steel sheet having excellent surface appearance and low-temperature bonding brittlenessPOSCO·Filed 2019·Granted Oct 31, 2023·0 cites·6 claims
- 1571US10190221B2Plated steel sheet for hot press forming having excellent weldability and corrosion resistance, forming member, and manufacturing method thereofPOSCO·Filed 2014·Granted Jan 29, 2019·0 cites·4 claims
- 1671US8493169B2Transformer and method of manufacturing the sameSAMSUNG ELECTRO MECH·Filed 2012·Granted Jul 23, 2013·2 cites·19 claims
- 1770US12152305B2Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing samePOSCO·Filed 2020·Granted Nov 26, 2024·0 cites·7 claims
- 1870US11897229B2Aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and method for manufacturing samePOSCO·Filed 2020·Granted Feb 13, 2024·0 cites·12 claims
- 1970USRE49317ETransformer and method of manufacturing the sameSAMSUNG ELECTRO MECH·Filed 2019·Granted Nov 29, 2022·0 cites·28 claims
- 2069US8143950B2Power amplifier break down characteristicHWANG HYEON SEOK·Filed 2010·Granted Mar 27, 2012·5 cites·6 claims
- 2168US2019003031A1Microcrack-reduced, hot press-formed article, and method for manufacturing samePOSCO·Filed 2016·Application pending·0 cites
- 2267US2018363117A1Hot press formed product having excellent corrosion resistance and method for preparing samePOSCO·Filed 2016·Application pending·0 cites
- 2367US2025153234A1Hot press-formed part and manufacturing method thereofPOSCO CO LTD·Filed 2023·Application pending·0 cites
- 2466US11338551B2Hot-dip galvanized steel sheet having excellent low-temperature adhesion and workabilityPOSCO·Filed 2018·Granted May 24, 2022·0 cites·8 claims
- 2566US10570493B2Steel sheet for hot press forming with excellent corrosion resistance and weldability, forming member, and manufacturing method thereforPOSCO·Filed 2014·Granted Feb 25, 2020·2 cites·9 claims
- 2664US11584973B2Steel sheet having excellent image clarity after paintingPOSCO·Filed 2018·Granted Feb 21, 2023·0 cites·7 claims
- 2763US10355645B2Power amplifierSAMSUNG ELECTRO MECH·Filed 2017·Granted Jul 16, 2019·1 cites·16 claims
- 2863US8482355B2Power amplifierJO BYEONG HAK·Filed 2011·Granted Jul 9, 2013·3 cites·3 claims
- 2962US11898252B2Aluminum-based alloy-plated steel sheet having excellent workability and corrosion resistance, and manufacturing method thereforPOSCO·Filed 2020·Granted Feb 13, 2024·0 cites·15 claims
- 3062US11801846B2Vehicle and method of controlling the sameHYUNDAI MOTOR CO LTD·Filed 2021·Granted Oct 31, 2023·0 cites·20 claims
- 3161US2025163585A1Steel sheet and manufacturing method thereforPOSCO CO LTD·Filed 2023·Application pending·0 cites
- 3260US7796968B2Frequency conversion circuitSAMSUNG ELECTRO MECH·Filed 2007·Granted Sep 14, 2010·2 cites·7 claims
- 3357US11090907B2Hot dip aluminized steel material having excellent corrosion resistance and workability, and manufacturing method thereforPOSCO·Filed 2017·Granted Aug 17, 2021·0 cites·9 claims
- 3455US11420419B2Austenite-based molten aluminum-plated steel sheet having excellent properties of plating and weldabilityPOSCO·Filed 2016·Granted Aug 23, 2022·0 cites·19 claims
- 3555US10968506B2High-manganese hot-dip aluminum-coated steel sheet having excellent coating adhesionPOSCO·Filed 2016·Granted Apr 6, 2021·0 cites·7 claims
- 3655US8952755B2Power amplifierSAMSUNG ELECTRO MECH·Filed 2012·Granted Feb 10, 2015·1 cites·15 claims
- 3755US7180374B2Photodiode integrated circuit having multiple gain statesSAMSUNG ELECTRO MECH·Filed 2005·Granted Feb 20, 2007·3 cites·9 claims
- 3853US10982309B2Hot-rolled galvanized steel sheet having excellent galling resistance, formability and sealer-adhesion property and method for manufacturing samePOSCO·Filed 2017·Granted Apr 20, 2021·0 cites·8 claims
- 3944US2011037507A1Mixer with differential dc offset cancellation functionSAMSUNG ELECTRO MECH·Filed 2009·Application pending·0 cites
- 4041US7663443B2Active balun circuitSAMSUNG ELECTRO MECH·Filed 2008·Granted Feb 16, 2010·0 cites·3 claims
- 4139US11043923B2Bias circuit and amplifying device having temperature compensation functionSAMSUNG ELECTRO MECH·Filed 2019·Granted Jun 22, 2021·0 cites·17 claims
- 4234US2013079065A1Multi-mode power amplifierJO BYEONG HAK·Filed 2012·Application pending·0 cites
- 4331US2017026008A1Protection circuit of power amplification circuit and power amplification circuit using the sameSAMSUNG ELECTRO MECH·Filed 2016·Application pending·0 cites
- 4430US2016173038A1Power amplifierSAMSUNG ELECTRO MECH·Filed 2015·Application pending·0 cites
- 4527US2011143821A1Power amplification module for mobile communication terminalHWANG HYEON SEOK·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →