US Patent Issued to NIPPON STEEL on Sept. 23 for "Non-oriented electrical steel sheet and method of manufacturing the same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,421,568, issued on Sept. 23, was assigned to NIPPON STEEL Corp. (Tokyo).

"Non-oriented electrical steel sheet and method of manufacturing the same" was invented by Hiroyoshi Yashiki (Tokyo), Yoshiaki Natori (Tokyo), Miho Tomita (Tokyo), Kazutoshi Takeda (Tokyo) and Takuya Matsumoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A non-oriented electrical steel sheet including a base metal that has a chemical composition including, in mass %, C: 0.0010 to 0.0040%, Si: 3.5 to 4.9%, Mn: 0.05 to 0.20%, Al: 0.05 to 0.45%, P: 0.030% or less, S: 0.0030% or less, N: 0.0030% or less, O: 0.0100 to 0.0400%, Ca: less than 0.0010%, Ti: less than 0.0050%, Nb: ...