US Patent Issued to TODA KOGYO on Feb. 24 for "R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,297, issued on Feb. 24, was assigned to TODA KOGYO CORP. (Hiroshima, Japan).

"R-T-B-based rare earth magnet particles, process for producing the R-T-B-based rare earth magnet particles, and bonded magnet" was invented by Nobuhiro Katayama (Otake-shi, Japan), Hirofumi Kawasaki (Otake-shi, Japan) and Koichiro Morimoto (Otake-shi, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to enhance a coercive force of magnetic particles by promoting formation of a continuous R-rich grain boundary phase in a crystal grain boundary of a magnetic phase of the particles, and to thereby obtain R-T-B-based rare earth magnet p...