Inventor
SEONG HWAN-GOO
KR3 patents
Patents
3 patentsUS12258657B2Mar 25, 2025
Hot-rolled steel sheet having excellent impact resistance, steel pipe, member, and manufacturing methods therefor
POSCO0 citations55
US11939639B2Mar 26, 2024
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and manufacturing methods therefor
POSCO0 citations55
US11220731B2Jan 11, 2022
Hot-rolled coated steel sheet with excellent workability and manufacturing method therefor
POSCO0 citations40