ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,387,875, issued on Aug. 12, was assigned to TDK Corp. (Tokyo).
"Ferrite sintered magnet and method for manufacturing ferrite sintered magnet" was invented by Keisuke Kamiya (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A ferrite magnet includes: a hexagonal ferrite main phase; and a second phase. The second phase is an oxide phase containing: an element A which is at least one selected from the group consisting of Ca, Sr, Ba, Bi, and rare earth elements; a transition metal element T including at least Fe; and an element G which is at least one selected from the group consisting of Si, Al, B, F, K, Na, Li, P, and S. When the total number of atoms...