ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,553, issued on Dec. 2, was assigned to POSCO (Pohang-si, South Korea).
"Zinc plated steel sheet having excellent fatigue strength of electrical resistance spot welds, and manufacturing method thereof" was invented by Ki-Cheol Kang (Gwangyang-si, South Korea) and Chung-Hwan Lee (Gwangyang-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a zinc plated steel sheet having excellent fatigue strength of electrical resistance spot welds and a method for manufacturing the same. According to an aspect of the present disclosure, a zinc plated steel sheet includes a base steel sheet and a zinc-based plating layer ...