US Patent Issued to SHIN-ETSU CHEMICAL on Sept. 8 for "Anisotropic rare-earth sintered magnet and method for producing same" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,731,709, issued on Sept. 8, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).

"Anisotropic rare-earth sintered magnet and method for producing same" was invented by Tadao Nomura (Fukui, Japan), Kazuki Otsuka (Echizen, Japan) and Masayuki Kamata (Tsuruga, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An anisotropic rare earth sintered magnet represented by the formula (R1-aZra)x(Fe1-b COb)100-x-y(M11-cM2c)y where R is at least one element selected from rare earth elements and Sm is essential; M1 is at least one of V, Cr, Mn, Ni, Cu, Zn, Ga, Al, and Si; M2 is at least one of Ti, Nb, Mo, Hf, Ta, and W; and x, y, a, b, and c each satisfy certain c...