ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,695, issued on Sept. 30, was assigned to JFE STEEL Corp. (Tokyo).
"Grain-oriented electrical steel sheet and method of producing same" was invented by Yukihiro Shingaki (Tokyo), Yusuke Shimoyama (Tokyo) and Akifumi Harada (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a grain-oriented electrical steel sheet capable of obtaining excellent magnetic properties stably over the entire coil length. A grain-oriented electrical steel sheet includes: a chemical composition containing, in mass %, C: 0.005% or less, Si: 2.0% to 4.5%, and Mn: 0.01% to 0.5%, and, in mass ppm, N: 20 ppm or less, each of Se, Te, and O: less than 50 ppm, S: les...