US Patent Issued to JFE STEEL on Sept. 2 for "Linear groove formation method and method for producing grain-oriented electrical steel sheet" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,404,563, issued on Sept. 2, was assigned to JFE STEEL Corp. (Tokyo).

"Linear groove formation method and method for producing grain-oriented electrical steel sheet" was invented by Yoshihisa Ichihara (Tokyo), Takeshi Omura (Tokyo), Hirotaka Inoue (Tokyo) and Shigehiro Takajo (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A linear groove formation method including forming a coated resist on a surface of a steel sheet, irradiating two or more laser beams onto the surface of the steel sheet while scanning the laser beams in a direction intersecting the rolling direction of the steel sheet cyclically in a rolling direction of the steel sheet, and for...