Assignee
POSCO
KR·663 granted patents·398 pending applications·584 citations·filing 2001–2025
Top patents by PatentIndex Score
1,061 records- 0198US11732323B2Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereofPOSCO·Filed 2022·Granted Aug 22, 2023·2 cites·7 claims
- 0297US11274357B2Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereofPOSCO·Filed 2021·Granted Mar 15, 2022·2 cites·10 claims
- 0397US10590522B2Aluminum-iron alloy-coated steel sheet for hot press forming, having excellent hydrogen delayed fracture resistance, peeling resistance, and weldability and hot-formed member using samePOSCO·Filed 2016·Granted Mar 17, 2020·15 cites·18 claims
- 0495US12000008B2Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldabilityPOSCO·Filed 2020·Granted Jun 4, 2024·2 cites·8 claims
- 0595US11624100B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing samePOSCO·Filed 2022·Granted Apr 11, 2023·2 cites·7 claims
- 0695US10934601B2Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereofPOSCO·Filed 2017·Granted Mar 2, 2021·2 cites·6 claims
- 0795US7105066B2Steel plate having superior toughness in weld heat-affected zone and welded structure made therefromPOSCO·Filed 2001·Granted Sep 12, 2006·87 cites·7 claims
- 0894US11939651B2Al—Fe-alloy plated steel sheet for hot forming, having excellent TWB welding characteristics, hot forming member, and manufacturing methods thereforPOSCO·Filed 2018·Granted Mar 26, 2024·3 cites·10 claims
- 0993US11981973B2Zinc plated steel sheet having excellent fatigue strength of electrical resistance spot welds, and manufacturing method thereofPOSCO·Filed 2020·Granted May 14, 2024·2 cites·7 claims
- 1093US11680305B2High strength steel sheet having excellent high-temperature elongation characteristic, warm-pressed member, and manufacturing methods for the samePOSCO·Filed 2017·Granted Jun 20, 2023·4 cites·4 claims
- 1193US11529795B2Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereofPOSCO·Filed 2019·Granted Dec 20, 2022·2 cites·6 claims
- 1293US11248287B2Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistancePOSCO·Filed 2020·Granted Feb 15, 2022·3 cites·14 claims
- 1393US9994931B2Method for extracting lithium from solution containing lithiumPOSCO·Filed 2012·Granted Jun 12, 2018·15 cites·17 claims
- 1492US11441205B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing samePOSCO·Filed 2017·Granted Sep 13, 2022·2 cites·4 claims
- 1592US11414743B2Multilayered zinc alloy plated steel material having excellent spot weldability and corrosion resistancePOSCO·Filed 2018·Granted Aug 16, 2022·2 cites·19 claims
- 1692US11358369B2Plating steel sheet for hot press forming, forming member using same, and manufacturing method thereforPOSCO·Filed 2018·Granted Jun 14, 2022·4 cites·6 claims
- 1792US10941467B2Cold-rolled steel sheet with excellent formability, galvanized steel sheet, and manufacturing method thereofPOSCO·Filed 2019·Granted Mar 9, 2021·3 cites·13 claims
- 1892US10907231B2Grain-oriented electrical steel sheet and manufacturing method thereforPOSCO·Filed 2016·Granted Feb 2, 2021·2 cites·18 claims
- 1992US10533237B2Hot press forming parts having excellent bending properties and method for manufacturing the samePOSCO·Filed 2018·Granted Jan 14, 2020·4 cites·10 claims
- 2092US10391518B2Method for manufacturing transparent pattern print steel platePOSCO·Filed 2015·Granted Aug 27, 2019·7 cites·18 claims
- 2192US10151013B2Hot press forming parts having excellent bending properties and method for manufacturing the samePOSCO·Filed 2016·Granted Dec 11, 2018·4 cites·7 claims
- 2292US9963758B2Hot press formed parts having excellent powdering resistance during hot press formingPOSCO·Filed 2016·Granted May 8, 2018·5 cites·8 claims
- 2392US9708684B2Hot dip galvanized and galvannealed steel sheet having excellent elongation propertiesPOSCO·Filed 2015·Granted Jul 18, 2017·2 cites·4 claims
- 2492US9598291B2Method for manufacturing lithium hydroxide and method using same for manufacturing lithium carbonatePOSCO·Filed 2012·Granted Mar 21, 2017·16 cites·19 claims
- 2592US9289821B2Apparatus for preventing damage to casting rolls in strip casting machinePOSCO·Filed 2014·Granted Mar 22, 2016·9 cites·11 claims
- 2691US12054801B2Zinc plated steel sheet having excellent surface quality and spot weldability, and manufacturing method thereforPOSCO·Filed 2020·Granted Aug 6, 2024·2 cites·7 claims
- 2791US11761054B2Wire rod and steel wire for springs having excellent corrosion fatigue resistance properties, and method for producing samePOSCO·Filed 2018·Granted Sep 19, 2023·1 cites·10 claims
- 2891US11162155B2Non-oriented electrical steel sheet and method for producing samePOSCO·Filed 2017·Granted Nov 2, 2021·2 cites·10 claims
- 2991US11060170B2Non-oriented electrical steel sheet and manufacturing method thereforPOSCO·Filed 2017·Granted Jul 13, 2021·2 cites·13 claims
- 3091US10837094B2Aluminum-based alloy plated steel sheet having excellent processing part corrosion resistancePOSCO·Filed 2017·Granted Nov 17, 2020·2 cites·10 claims
- 3191US10640840B2Hot press formed article having excellent delamination resistance and method for manufacturing the samePOSCO·Filed 2016·Granted May 5, 2020·4 cites·19 claims
- 3290US12060111B2Side sill for vehiclePOSCO·Filed 2020·Granted Aug 13, 2024·3 cites·16 claims
- 3390US11299793B2Steel sheet having excellent resistance to liquid metal embrittlement cracks and method for manufacturing the samePOSCO·Filed 2018·Granted Apr 12, 2022·2 cites·16 claims
- 3490US11141953B2Steel sheet for hot press formed member having excellent painting adhesion and post-painting corrosion resistancePOSCO·Filed 2018·Granted Oct 12, 2021·5 cites·5 claims
- 3590US10808292B2Method of manufacturing hot press formed parts having excellent powdering resistancePOSCO·Filed 2018·Granted Oct 20, 2020·4 cites·9 claims
- 3689US12365972B2Non-magnetic austenitic stainless steelPOSCO·Filed 2020·Granted Jul 22, 2025·2 cites·2 claims
- 3789US12331373B2Steel material, for pressure vessel, showing excellent hydrogen-induced cracking resistance and method for preparing samePOSCO·Filed 2018·Granted Jun 17, 2025·2 cites·5 claims
- 3889US12037656B2High strength steel sheet having excellent ductility and workability, and method for manufacturing samePOSCO·Filed 2019·Granted Jul 16, 2024·1 cites·11 claims
- 3989US11814556B2Coacervate formed from catechol-substituted anionic polymer, adhesive comprising same, and method for producing samePOSCO·Filed 2018·Granted Nov 14, 2023·2 cites·7 claims
- 4089US11634785B2Steel material showing excellent hydrogen-induced cracking resistance and method for preparing samePOSCO·Filed 2018·Granted Apr 25, 2023·1 cites·4 claims
- 4189US11174525B2Annealing separator composition for oriented electrical steel sheet, oriented electrical steel sheet, and method for manufacturing oriented electrical steel sheetPOSCO·Filed 2017·Granted Nov 16, 2021·1 cites·7 claims
- 4289US10584396B2Heat treatable steel, product formed thereof having ultra high strength and excellent durability, and method for manufacturing samePOSCO·Filed 2015·Granted Mar 10, 2020·2 cites·6 claims
- 4389US9744743B2Zn—Mg alloy plated steel sheet, and method for manufacturing samePOSCO·Filed 2012·Granted Aug 29, 2017·5 cites·5 claims
- 4488US2024337003A1High-strength steel having high yield ratio and excellent durability, and method for manufacturing samePOSCO·Filed 2024·Application pending·0 cites
- 4587US12252759B2High strength steel sheet having excellent workability and method for manufacturing samePOSCO·Filed 2020·Granted Mar 18, 2025·1 cites·9 claims
- 4687US12049688B2Austenitic stainless steel having excellent electrical conductivity, and method for manufacturing samePOSCO·Filed 2019·Granted Jul 30, 2024·2 cites·4 claims
- 4787US11001918B2High-strength hot-dip galvanized steel sheet having excellent plating surface quality and adhesion, and method of manufacturing the samePOSCO·Filed 2017·Granted May 11, 2021·2 cites·7 claims
- 4887US11000920B2Method and device for magnetic domain refinement of oriented electrical steel platePOSCO·Filed 2016·Granted May 11, 2021·2 cites·19 claims
- 4987US10626504B2Plated 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
- 5086US11905571B2Wire rod for cold heading, processed product using same, and manufacturing methods thereforPOSCO·Filed 2019·Granted Feb 20, 2024·2 cites·5 claims
Showing the top 50 of 1,061 patent records by PatentIndex Score.
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