US Patent Issued to NIPPON STEEL on June 17 for "Grain-oriented electrical steel sheet, intermediate steel sheet for grain-oriented electrical steel sheet, and methods for manufacturing same" (Japanese Inventors)

ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,377, issued on June 17, was assigned to NIPPON STEEL Corp. (Tokyo).

"Grain-oriented electrical steel sheet, intermediate steel sheet for grain-oriented electrical steel sheet, and methods for manufacturing same" was invented by Shinji Yamamoto (Tokyo), Yoshiyuki Ushigami (Tokyo) and Shinsuke Takatani (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "This grain-oriented electrical steel sheet includes a base steel sheet, an intermediate layer that is formed on a surface of the base steel sheet and mainly contains silicon oxide, and an insulation coating that is formed on the surface of the intermediate layer. A number density of the oxide particl...