ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,177, issued on Nov. 25, was assigned to JFE STEEL Corp. (Tokyo).
"Galvanized steel sheet and method for producing same" was invented by Satoshi Maeda (Tokyo), Nao Kawabe (Tokyo) and Hiromi Yoshitomi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a galvanized steel sheet having high strength; specifically, with a tensile strength of 1160 MPa or more and excellent resistance spot weldability. A chemical composition of a base steel sheet contains one or more of Ti, Nb, V, and Zr: 0.02% or more and 0.20% or less in total, and an amount of diffusible hydrogen in a zinc or zinc alloy coating layer is 0.40 mass ppm or less."
The patent w...