ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,136, issued on Feb. 17, was assigned to NIPPON STEEL Corp. (Tokyo).
"Grain-oriented electrical steel sheet and method for manufacturing the same" was invented by Shinji Yamamoto (Tokyo), Yoshiyuki Ushigami (Tokyo), Shinsuke Takatani (Tokyo) and Shuichi Nakamura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A grain-oriented electrical steel sheet includes a base steel sheet which contains Si and Mn, an intermediate layer which is disposed on a surface of the base steel sheet and contains a silicon oxide as a main component, and an insulation coating which is disposed on a surface of the intermediate layer. A final-annealed film is not substan...