Patents/Inventors

Chung-hwan Lee

Gwangyang-siKR3 patents

4 Patents

US124865532025
Zinc Plated Steel Sheet Having Excellent Fatigue Strength of Electrical Resistance Spot Welds, and Manufacturing Method Thereof
POSCO
0 cites
US120548012024
Zinc Plated Steel Sheet Having Excellent Surface Quality and Spot Weldability, and Manufacturing Method Therefor
POSCO
0 cites
US120000082024
Advanced High Strength Zinc Plated Steel Sheet Having Excellent Surface Quality and Electrical Resistance Spot Weldability
POSCO
0 cites
US119819732024
Zinc Plated Steel Sheet Having Excellent Fatigue Strength of Electrical Resistance Spot Welds, and Manufacturing Method Thereof
POSCO
0 cites