US Patent Issued to SHIN-ETSU CHEMICAL on June 2 for "Rare earth sintered magnet" (Japanese Inventors)

ALEXANDRIA, Va., June 2 -- United States Patent no. 12,643,144, issued on June 2, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).

"Rare earth sintered magnet" was invented by Tetsuya Kume (Echizen, Japan), Tetsuya Ohashi (Echizen, Japan) and Koichi Hirota (Echizen, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a rare earth sintered magnet which contains R (R represents one or more rare earth elements essentially including Nd), T (T represents one or more iron group elements essentially including Fe), B, M1 (M1 represents one or more elements selected from among Al, Si, Cr, Mn, Cu, Zn, Ga, Ge, Mo, Sn, W, Pb and Bi) and M2 (M2 represents one or more elements selected ...