ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,338, issued on Sept. 16, was assigned to A.L.M.T. Corp. (Tokyo).
"Composite material" was invented by Naoya Matsuta (Toyama, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composite material includes: an iron-based alloy layer; an intermediate layer provided on the iron-based alloy layer; and a tungsten-containing layer provided on the intermediate layer, wherein the intermediate layer is composed of pure nickel or is an alloy that contains at least one selected from a group consisting of copper, cobalt, and iron at more than 0 mass % and less than or equal to 71 mass % in total, and that contains nickel at more than or equal to 29 mass % a...