ALEXANDRIA, Va., June 2 -- United States Patent no. 12,644,164, issued on June 2, was assigned to NIPPON STEEL Corp. (Tokyo).

"Production method for grain-oriented electrical steel sheet" was invented by Takashi Kataoka (Tokyo), Haruhiko Atsumi (Tokyo), Ryutaro Yamagata (Tokyo), Nobusato Morishige (Tokyo) and Kazutoshi Takeda (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a production method for a grain-oriented electrical steel sheet that is thin and has excellent magnetic characteristics. An embodiment of the present invention provides a production method that is for a grain-oriented electrical steel sheet and that comprises: a hot rolling step; an optional hot-rolled sheet-annealing ste...