US Patent Issued to NIPPON STEEL on Dec. 9 for "Non-oriented electrical steel sheet and surface treatment agent for non-oriented electrical steel sheet" (Japanese Inventors)

ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,492,477, issued on Dec. 9, was assigned to NIPPON STEEL Corp. (Tokyo).

"Non-oriented electrical steel sheet and surface treatment agent for non-oriented electrical steel sheet" was invented by Kazutoshi Takeda (Tokyo), Shuichi Yamazaki (Tokyo), Takuya Matsumoto (Tokyo), Hiroyasu Fujii (Tokyo) and Masaru Takahashi (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is provided a non-oriented electrical steel sheet that includes a base metal steel sheet and an insulating coating film that is formed on a surface of the base metal steel sheet, wherein the insulating coating film mainly contains metal phosphate, organic resin, and water-soluble organi...