ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,553,102, issued on Feb. 17, was assigned to JFE STEEL Corp. (Tokyo).
"Grain-oriented electrical steel sheet" was invented by Kunihiro Senda (Tokyo), Yoshihisa Ichihara (Tokyo) and Takeshi Omura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a grain-oriented electrical steel sheet that can achieve both sufficiently low transformer core loss and sufficiently low noise. Disclosed is a grain-oriented electrical steel sheet having a tension coating on a surface thereof and subjected to magnetic domain refining treatment by generating linear closure domains extending in a direction within 30deg of a transverse direction, in which an average ...