ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,662, issued on May 27, was assigned to NIPPON STEEL Corp. (Tokyo).
"Method of manufacturing grain-oriented electrical steel sheet" was invented by Shinsuke Takatani (Tokyo), Shunsuke Okumura (Tokyo) and Shohji Nagano (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a grain-oriented electrical steel sheet according to the present invention includes a process of executing hot rolling on a slab to obtain a hot-rolled sheet; a process of executing hot-rolled sheet annealing on the hot-rolled sheet to obtain an annealed hot-rolled sheet; a process of executing cold rolling on the annealed hot-rolled sheet to obtain a cold-r...