ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,488,919, issued on Dec. 2, was assigned to JFE STEEL Corp. (Tokyo).

"Method of producing grain-oriented electrical steel sheet" was invented by Takuya Yamada (Tokyo) and Takashi Terashima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of stably producing grain-oriented electrical steel sheets with excellent film properties and magnetic properties that comprises subjecting a steel slab containing predetermined additive elements to hot rolling; subjecting the hot-rolled sheet to cold rolling to have a final sheet thickness; subjecting the cold-rolled sheet to decarburization annealing; applying an annealing separator having MgO as a main co...