Inventor

JUNG YONG-HWA

KR18 patents

⚠️ This page may combine multiple inventors who share the name “JUNG YONG-HWA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

JUNG YONG-HWA

POSCO

Magnesium-aluminum coated steel sheet

Zn—Mg alloy plated steel sheet, and method for manufacturing same

Galvanized steel sheet having excellent hardness and galling resistance

Alloy-coated steel sheet and manufacturing method therefor

Multi-layered zinc alloy plated steel having excellent spot weldability and corrosion resistance

Alloy-coated steel sheet and manufacturing method thereof

Multi-layered zinc alloy plated steel having excellent spot weldability and corrosion resistance

Plated steel sheet having multilayer structure and manufacturing method therefor

Alloy coated steel sheet

Zn—Mg alloy-coated steel sheet with excellent blackening resistance and excellent adhesion

Method for manufacturing Zn—Mg alloy-coated steel sheet having high blackening resistance and coating adhesion

Phosphate solution for zinc or zinc-based alloy plated steel sheet, and zinc or zinc-based alloy plated steel sheet using the same

Heating apparatus, and coating device comprising same

NAM KYUNG-HOON

Continuous coating apparatus

Dry coating apparatus

KWAK YOUNG-JIN

Film formation composition for preventing blackening of steel sheet, and steel sheet having film formed by composition

Zinc alloy coated steel sheet having good sealer adhesion and corrosion resistance and process of manufacturing the same

LEE DONG-YOEUL

Strip passing apparatus, apparatus for treating surface of strip with the same, and method for treating surface of strip