ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,378,676, issued on Aug. 5, was assigned to NIPPON STEEL Corp. (Tokyo).

"Grain-oriented electrical steel sheet and manufacturing method of the same" was invented by Hiroyasu Fujii (Tokyo), Seiki Takebayashi (Tokyo), Yoshiyuki Ushigami (Tokyo), Takashi Kataoka (Tokyo) and Shunsuke Okumura (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This grain-oriented electrical steel sheet includes a steel sheet, an insulation coating disposed on the steel sheet, and a spinel present at a part on the steel sheet at an interface between the steel sheet and the insulation coating by being fitted into the insulation coating, in which an amount of the spinel is 5 to...