Inventor
SEO SEOK-JONG
KR12 patents
⚠️ This page may combine multiple inventors who share the name “SEO SEOK-JONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSCO
11 patentsUS11149330B2Oct 19, 2021
Magnesium alloy plate and method for manufacturing same
POSCO0 citations60
US11560607B2Jan 24, 2023
Hot-rolled steel sheet having excellent expandability and method for manufacturing same
POSCO0 citations59
US12435383B2Oct 7, 2025
High strength multi-phase steel having excellent burring properties at low temperature, and method for producing same
POSCO0 citations50
US11708623B2Jul 25, 2023
High-strength steel sheet having excellent impact resistance, and method for manufacturing same
POSCO0 citations50
US11466336B2Oct 11, 2022
High-strength steel sheet having excellent burring workability in low temperature range and manufacturing method therefor
POSCO0 citations50
US11203796B2Dec 21, 2021
Ultra high strength hot-rolled steel sheet having excellent ductility and method for manufacturing same
POSCO0 citations50
US11535907B2Dec 27, 2022
Hot rolled steel plate for electric resistance welded steel pipe having excellent weldability, and manufacturing method thereof
POSCO0 citations49
US11535908B2Dec 27, 2022
Hot-rolled steel sheet having excellent durability and method for manufacturing same
POSCO0 citations49
US10975454B2Apr 13, 2021
Ultra-high strength steel sheet having excellent phosphatability and bendability
POSCO0 citations48
US10533241B2Jan 14, 2020
Hot-rolled steel sheet for high strength galvanized steel sheet, having excellent surface quality, and method for producing same
POSCO0 citations45
US10351927B2Jul 16, 2019
Hot-rolled steel sheet for high strength galvanized steel sheet, having excellent surface quality, and method for producing same
POSCO0 citations45