ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,024, issued on April 15, was assigned to JFE Steel Corp. (Tokyo).
"Method of making an electrical steel sheet provided with insulating coating" was invented by Kazumichi Sashi (Chiba, Japan), Nobuko Nakagawa (Chiba, Japan), Naoki Muramatsu (Chiba, Japan), Chiyoko Tada (Chiba, Japan) and Nobue Fujibayashi (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrical steel sheet provided with an insulating coating wherein the insulating coating is formed by a method includes forming an insulating coating on an electrical steel sheet, including: preparing a treatment solution that does not contain an Fe compound by adding an Si compound to ...