ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,734,573, issued on Sept. 15, was assigned to NIPPON STEEL Corp. (Tokyo).
"Hot stamping member" was invented by Akinobu Kobayashi (Tokyo), Yuji Sakiyama (Tokyo) and Takayuki Harano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hot stamping member including a base material and a plating layer provided on the base material, wherein the plating layer has a Ni-rich region, an Al-rich region and an Fe-rich region in this order from a surface of the plating layer, in a region from the surface of the plating layer to a 100 nm position in the thickness direction from the surface of the plating layer, Ni and Fe satisfy predetermined contents, in a regi...