Inventor · disambiguated record
Joo-Hyun Ryu
Also filed as: RYU JOO-HYUN
14 granted patents·12 pending applications·7 citations·filing 2014–2024
84Inventor score
Top patents by PatentIndex Score
26 records- 0192US10941467B2Cold-rolled steel sheet with excellent formability, galvanized steel sheet, and manufacturing method thereofPOSCO·Filed 2019·Granted Mar 9, 2021·3 cites·13 claims
- 0290US11299793B2Steel 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
- 0383US2024401166A1Ultrahigh-strength steel sheet having excellent yield ratio, and manufacturing method thereforPOSCO CO LTD·Filed 2024·Application pending·0 cites
- 0482US10358691B2Apparatus for continuous annealing of strip and method for continuous annealing of samePOSCO·Filed 2014·Granted Jul 23, 2019·2 cites·2 claims
- 0579US12492456B2Ultra high strength and high ductility steel sheet having excellent yield ratio and manufacturing method for samePOSCO·Filed 2019·Granted Dec 9, 2025·0 cites·4 claims
- 0677US10604820B2Method of continuously annealing a stripPOSCO·Filed 2019·Granted Mar 31, 2020·0 cites·5 claims
- 0768US12123066B2Ultrahigh-strength steel sheet having excellent yield ratio, and manufacturing method thereforPOSCO CO LTD·Filed 2017·Granted Oct 22, 2024·0 cites·7 claims
- 0865US11655517B2Ultrahigh-strength and high-ductility steel sheet having excellent cold formabilityPOSCO CO LTD·Filed 2018·Granted May 23, 2023·0 cites·7 claims
- 0965US2024384366A1High-strength cold-rolled steel sheet having excellent surface quality and low material variation, and method for manufacturing samePOSCO CO LTD·Filed 2022·Application pending·0 cites
- 1065US2024392407A1High strength cold rolled steel sheet having excellent surface quality and low mechanical property deviation and manufacturing method of samePOSCO CO LTD·Filed 2022·Application pending·0 cites
- 1165US2024247349A1High strength cold rolled steel sheet having excellent surface quality and low mechanical property deviation and manufacturing method of samePOSCO CO LTD·Filed 2022·Application pending·0 cites
- 1264US2025051870A1Ultrahigh-strength hot-rolled steel sheet having excellent formability and manufacturing method thereforPOSCO CO LTD·Filed 2022·Application pending·0 cites
- 1363US10752968B2Ultrahigh-strength high-ductility steel sheet having excellent yield strength, and manufacturing method thereforPOSCO·Filed 2017·Granted Aug 25, 2020·0 cites·8 claims
- 1461US11186892B2Hot rolled steel sheet having excellent strength and elongationPOSCO·Filed 2018·Granted Nov 30, 2021·0 cites·4 claims
- 1559US2024052468A1Ultra-high-strength cold-rolled steel sheet having excellent yield strength and bending properties and method for manufacturing samePOSCO CO LTD·Filed 2021·Application pending·0 cites
- 1659US2024002968A1Ultra-high strength cold rolled steel sheet having excellent bendability, and method of manufacturing samePOSCO CO LTD·Filed 2021·Application pending·0 cites
- 1757US2023357881A1Ultra high strength steel sheet having excellent ductility and method for manufacturing thereofPOSCO·Filed 2021·Application pending·0 cites
- 1856US11203795B2Ultra-high strength steel plate having excellent formability and hole-expandability, and method for manufacturing samePOSCO·Filed 2016·Granted Dec 21, 2021·0 cites·7 claims
- 1956US2023295759A1Steel sheet having excellent formability and strain hardening ratePOSCO·Filed 2021·Application pending·0 cites
- 2055US10907230B2Ultra high-strength and high-ductility steel sheet having excellent yield ratio and manufacturing method thereforPOSCO·Filed 2017·Granted Feb 2, 2021·0 cites·9 claims
- 2152US2022298596A1Steel sheet having excellent uniform elongation and strain hardening rate, and method for producing samePOSCO·Filed 2020·Application pending·0 cites
- 2249US11453922B2Ultra-high-strength steel sheet having excellent hole expandability and yield ratio, and method of manufacturing the samePOSCO·Filed 2017·Granted Sep 27, 2022·0 cites·9 claims
- 2348US10793159B2Apparatus for providing map information for determining driving situation of vehicle, system including the same, and method thereofHYUNDAI MOTOR CO LTD·Filed 2017·Granted Oct 6, 2020·0 cites·15 claims
- 2446US10519526B2High-strength cold rolled steel sheet having excellent ductility, hot-dip galvanized steel sheet and method for manufacturing samePOSCO·Filed 2015·Granted Dec 31, 2019·0 cites·11 claims
- 2543US2019071745A1High-strength cold rolled steel sheet with excellent yield strength and ductility, coated steel plate, and method for manufacturing samePOSCO·Filed 2017·Application pending·0 cites
- 2643US2018363084A1Ultra high-strength steel sheet having excellent hole expandability and manufacturing method thereforPOSCO·Filed 2016·Application pending·0 cites
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