ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,980, issued on Feb. 10, was assigned to NIPPON STEEL Corp. (Tokyo).
"Hot stamped body" was invented by Takuya Mitsunobu (Tokyo), Takehiro Takahashi (Tokyo) and Jun Maki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot stamped body comprising a steel base material and an Al-Zn-Mg-based plating layer formed on a surface of the steel base material, wherein the plating layer has a predetermined chemical composition, the plating layer comprises an interfacial layer positioned at an interface with the steel base material and containing Fe and Al and a main layer positioned on the interfacial layer, the main layer comprises, by area ratio, 10.0 ...