Inventor
LEE KYOO-YOUNG
KR19 patents
⚠️ This page may combine multiple inventors who share the name “LEE KYOO-YOUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSCO
14 patentsUS12000008B2Jun 4, 2024
Advanced high strength zinc plated steel sheet having excellent surface quality and electrical resistance spot weldability
POSCO2 citations71
US11299793B2Apr 12, 2022
Steel sheet having excellent resistance to liquid metal embrittlement cracks and method for manufacturing the same
POSCO2 citations70
US10941467B2Mar 9, 2021
Cold-rolled steel sheet with excellent formability, galvanized steel sheet, and manufacturing method thereof
POSCO3 citations70
US10358691B2Jul 23, 2019
Apparatus for continuous annealing of strip and method for continuous annealing of same
POSCO2 citations70
US12344923B2Jul 1, 2025
Zinc plated steel sheet having excellent spot weldability and manufacturing method thereof
POSCO0 citations60
US12492456B2Dec 9, 2025
Ultra high strength and high ductility steel sheet having excellent yield ratio and manufacturing method for same
POSCO0 citations59
US11186892B2Nov 30, 2021
Hot rolled steel sheet having excellent strength and elongation
POSCO0 citations56
US11203795B2Dec 21, 2021
Ultra-high strength steel plate having excellent formability and hole-expandability, and method for manufacturing same
POSCO0 citations55
US9856542B2Jan 2, 2018
Ferritic lightweight high-strength steel sheet having excellent stiffness and ductility, and method of manufacturing the same
POSCO0 citations50
US10752968B2Aug 25, 2020
Ultrahigh-strength high-ductility steel sheet having excellent yield strength, and manufacturing method therefor
POSCO0 citations49
US10604820B2Mar 31, 2020
Method of continuously annealing a strip
POSCO0 citations49
US10907230B2Feb 2, 2021
Ultra high-strength and high-ductility steel sheet having excellent yield ratio and manufacturing method therefor
POSCO0 citations48
US11453922B2Sep 27, 2022
Ultra-high-strength steel sheet having excellent hole expandability and yield ratio, and method of manufacturing the same
POSCO0 citations47
US10519526B2Dec 31, 2019
High-strength cold rolled steel sheet having excellent ductility, hot-dip galvanized steel sheet and method for manufacturing same
POSCO0 citations44