Inventor · disambiguated record
Sea-Woong Lee
Also filed as: LEE SEA-WOONG
10 granted patents·9 pending applications·2 citations·filing 2016–2024
77Inventor score
Top patents by PatentIndex Score
19 records- 0190US11299793B2Steel 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
- 0283US2024401166A1Ultrahigh-strength steel sheet having excellent yield ratio, and manufacturing method thereforPOSCO CO LTD·Filed 2024·Application pending·0 cites
- 0379US12492456B2Ultra 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
- 0470US12344923B2Zinc plated steel sheet having excellent spot weldability and manufacturing method thereofPOSCO·Filed 2019·Granted Jul 1, 2025·0 cites·15 claims
- 0568US12123066B2Ultrahigh-strength steel sheet having excellent yield ratio, and manufacturing method thereforPOSCO CO LTD·Filed 2017·Granted Oct 22, 2024·0 cites·7 claims
- 0667US2025153234A1Hot press-formed part and manufacturing method thereofPOSCO CO LTD·Filed 2023·Application pending·0 cites
- 0765US11655517B2Ultrahigh-strength and high-ductility steel sheet having excellent cold formabilityPOSCO CO LTD·Filed 2018·Granted May 23, 2023·0 cites·7 claims
- 0864US2025137086A1Steel material for hot forming, hot formed part, and method for manufacturing thereofPOSCO CO LTD·Filed 2022·Application pending·0 cites
- 0963US10752968B2Ultrahigh-strength high-ductility steel sheet having excellent yield strength, and manufacturing method thereforPOSCO·Filed 2017·Granted Aug 25, 2020·0 cites·8 claims
- 1063US2024182996A1Steel material for hot forming, hot-formed member, and manufacturing method thereforPOSCO CO LTD·Filed 2022·Application pending·0 cites
- 1161US11186892B2Hot rolled steel sheet having excellent strength and elongationPOSCO·Filed 2018·Granted Nov 30, 2021·0 cites·4 claims
- 1261US2025163585A1Steel sheet and manufacturing method thereforPOSCO CO LTD·Filed 2023·Application pending·0 cites
- 1361US2024309499A1Plated steel sheet for hot press forming having excellent hydrogen embrittlement resistance, hot press formed parts, and manufacturing methods thereofPOSCO·Filed 2022·Application pending·0 cites
- 1460US2024401173A1Plated steel sheet having excellent plating adhesion and corrosion resistance after hot press forming, preparation method for plated steel sheet, and hot pressed forming memberPOSCO CO LTD·Filed 2022·Application pending·0 cites
- 1556US11203795B2Ultra-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
- 1655US10907230B2Ultra 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
- 1749US11453922B2Ultra-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
- 1843US2019071745A1High-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
- 1943US2018363084A1Ultra high-strength steel sheet having excellent hole expandability and manufacturing method thereforPOSCO·Filed 2016·Application pending·0 cites
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