Inventor · disambiguated record
Yeol-Rae Cho
Also filed as: CHO YEOL-RAE
30 granted patents·16 pending applications·54 citations·filing 2008–2025
95Inventor score
Top patents by PatentIndex Score
46 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
- 0297US12049678B2Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereofPOSCO CO LTD·Filed 2023·Granted Jul 30, 2024·1 cites·10 claims
- 0397US11274357B2Plated 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
- 0497US10590522B2Aluminum-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
- 0595US11788166B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing samePOSCO CO LTD·Filed 2023·Granted Oct 17, 2023·2 cites·18 claims
- 0695US11624100B2Cold-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
- 0795US10934601B2Plated 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
- 0894US12435385B2Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereofPOSCO CO LTD·Filed 2024·Granted Oct 7, 2025·0 cites·20 claims
- 0994US11939651B2Al—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
- 1093US12467111B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing samePOSCO CO LTD·Filed 2024·Granted Nov 11, 2025·0 cites·20 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
- 1292US11441205B2Cold-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
- 1392US10533237B2Hot press forming parts having excellent bending properties and method for manufacturing the samePOSCO·Filed 2018·Granted Jan 14, 2020·4 cites·10 claims
- 1492US10151013B2Hot press forming parts having excellent bending properties and method for manufacturing the samePOSCO·Filed 2016·Granted Dec 11, 2018·4 cites·7 claims
- 1591US12049679B2Cold-rolled steel plate for hot forming, having excellent corrosion-resistance and spot-weldability, hot-formed member, and method for manufacturing samePOSCO CO LTD·Filed 2023·Granted Jul 30, 2024·0 cites·5 claims
- 1689US10584396B2Heat 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
- 1789US2024051265A1Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereofPOSCO CO LTD·Filed 2023·Application pending·0 cites
- 1887US2025305081A1Plated steel sheet for hot press forming having excellent impact property, hot press formed part, and manufacturing method thereofPOSCO CO LTD·Filed 2025·Application pending·0 cites
- 1987US2024191329A1Al-fe-alloy plated steel sheet for hot forming, having excellent twb welding characteristics, hot forming member, and manufacturing methods thereforPOSCO CO LTD·Filed 2024·Application pending·0 cites
- 2084US12330391B2Steel sheet plated with Al—Fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereofPOSCO·Filed 2022·Granted Jun 17, 2025·0 cites·11 claims
- 2184US11338549B2Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereofPOSCO·Filed 2018·Granted May 24, 2022·2 cites·10 claims
- 2284US2025011912A1Aluminum-based plated steel plate for hot press having excellent resistance against hydrogen delayed fracture and spot weldability, and method for manufacturing samePOSCO CO LTD·Filed 2024·Application pending·0 cites
- 2384US2025269626A1Steel sheet plated with al-fe for hot press forming having excellent corrosion resistance and spot weldability, and manufacturing method thereofPOSCO CO LTD·Filed 2025·Application pending·0 cites
- 2483US11801664B2Steel sheet for hot press formed member having excellent resistance to hydrogen delayed fracture and method for manufacturing thereofPOSCO CO LTD·Filed 2022·Granted Oct 31, 2023·0 cites·11 claims
- 2583US2024026479A1Hot press-formed member having excellent crack propagation resistance and ductility, and method for producing samePOSCO CO LTD·Filed 2023·Application pending·0 cites
- 2682US2024209467A1Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and manufacturing methods thereforPOSCO CO LTD·Filed 2024·Application pending·0 cites
- 2781US10253388B2Steel sheet for hot press formed product having superior bendability and ultra-high strength, hot press formed product using same, and method for manufacturing samePOSCO·Filed 2014·Granted Apr 9, 2019·3 cites·8 claims
- 2879US11549167B2Steel sheet plated with Al—Fe alloy for hot press forming having excellent corrosion resistance and heat resistance, hot press formed part, and manufacturing method thereforPOSCO·Filed 2019·Granted Jan 10, 2023·0 cites·5 claims
- 2979US9255313B2Steel sheet for hot press forming having low-temperature heat treatment property, method of manufacturing the same, method of manufacturing parts using the same, and parts manufactured by the sameCHO YEOL RAE·Filed 2008·Granted Feb 9, 2016·5 cites·28 claims
- 3078US12258657B2Hot-rolled steel sheet having excellent impact resistance, steel pipe, member, and manufacturing methods thereforPOSCO·Filed 2022·Granted Mar 25, 2025·0 cites·9 claims
- 3177US12123094B2Aluminum-based plated steel plate for hot press having excellent resistance against hydrogen delayed fracture and spot weldability, and method for manufacturing samePOSCO CO LTD·Filed 2019·Granted Oct 22, 2024·0 cites·11 claims
- 3277US2023041587A1Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method thereforPOSCO·Filed 2022·Application pending·0 cites
- 3376US11491764B2Iron-aluminum-based plated steel sheet for hot press forming, having excellent hydrogen delayed fracture properties and spot welding properties, and manufacturing method thereforPOSCO·Filed 2019·Granted Nov 8, 2022·0 cites·7 claims
- 3473US9068255B2Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the sameSOHN IL-RYOUNG·Filed 2010·Granted Jun 30, 2015·1 cites·6 claims
- 3572US11939639B2Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and manufacturing methods thereforPOSCO·Filed 2018·Granted Mar 26, 2024·0 cites·5 claims
- 3669US11952652B2Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the samePOSCO·Filed 2018·Granted Apr 9, 2024·0 cites·7 claims
- 3769US11827947B2Hot press-formed member having excellent crack propagation resistance and ductility, and method for producing samePOSCO·Filed 2017·Granted Nov 28, 2023·0 cites·4 claims
- 3868US2021062313A1Hot-rolled steel sheet having excellent impact resistance, steel pipe, member, and manufacturing methods thereforPOSCO·Filed 2018·Application pending·0 cites
- 3964US2018023171A1Steel sheet for warm press forming, warm-pressed member, and manufacturing methods thereofPOSCO·Filed 2017·Application pending·0 cites
- 4059US2014308156A1Steel sheet for warm press forming, warm-pressed member, and manufacturing methods thereofPOSCO·Filed 2012·Application pending·0 cites
- 4146US9945020B2Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the samePOSCO·Filed 2015·Granted Apr 17, 2018·0 cites·12 claims
- 4243US2019382864A1Tempered martensitic steel having low yield ratio and excelllent uniform elongation, and manufacturing method thereforPOSCO·Filed 2017·Application pending·0 cites
- 4343US2013295402A1Steel Sheet for Formed Member Having Enhanced Ductility, Formed Member, and Method for Manufacturing the Formed MemberOH JIN-KEUN·Filed 2011·Application pending·0 cites
- 4440US2011300407A1Aluminum-Plated Steel Sheet Having Superior Corrosion Resistance, Hot Press Formed Product Using the Same, and Method for Production ThereofCHO YEOL-RAE·Filed 2010·Application pending·0 cites
- 4538US2019003004A1Vehicle part having high strength and excellent durability, and manufacturing method thereforPOSCO·Filed 2016·Application pending·0 cites
- 4628US2012291510A1Hot press forming process of plated steel and hot press formed articles using the sameKIM HONG-GEE·Filed 2010·Application pending·0 cites
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