US Patent Issued to POSCO on June 17 for "High-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor" (South Korean Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,405, issued on June 17, was assigned to POSCO Co. LTD (Pohang-si, South Korea).

"High-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability, and manufacturing method therefor" was invented by Ki-Cheol Kang (Gwangyang-si, South Korea), Jong-Chan Park (Gwangyang-si, South Korea), Seul-Gi So (Gwangyang-si, South Korea) and Myung-Soo Kim (Gwangyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A galvanized steel sheet including a base steel sheet, and a zinc-based plating layer on the surface of the base steel sheet. The base steel sheet may include a first surface layer region corresponding to...