Inventor
KO JAE DUCK
KR4 patents
⚠️ This page may combine multiple inventors who share the name “KO JAE DUCK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSCO
3 patentsUS11939489B2Mar 26, 2024
Solution composition for surface treatment of steel sheet and surface-treated steel sheet using same
POSCO0 citations58
US12054643B2Aug 6, 2024
Composition for steel sheet surface coating and steel sheet surface-coated with same
POSCO0 citations57
US12325809B2Jun 10, 2025
Composition for surface treating of steel sheet, steel sheet using same, and manufacturing method of same
POSCO0 citations55