ALEXANDRIA, Va., June 16 -- United States Patent no. 12,655,502, issued on June 16, was assigned to NIPPON STEEL Corp. (Tokyo).
"Grain-oriented electrical steel sheet and method for forming insulating coating" was invented by Kazutoshi Takeda (Tokyo), Takashi Kataoka (Tokyo), Shinsuke Takatani (Tokyo), Yuuki Kogakura (Tokyo) and Yuki Kunita (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "This grain-oriented electrical steel sheet includes: a base steel sheet; and an insulating coating formed on a surface of the base steel sheet, in which the base steel sheet includes an iron-based oxide layer containing an iron-based oxide on an insulating coating side, the insulating coating includes an intermediate l...