ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,818, issued on April 7, was assigned to TOYOTA BOSHOKU K.K. (Aichi-Ken, Japan).
"Rotor for rotating electric machine" was invented by Daisuke Homma (Anjo, Japan) and Takeshi Nomura (Chiryu, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for a rotating electric machine includes a cylindrical rotor core, a housing hole extending through the rotor core in a direction of a center line of the rotor core, a permanent magnet that is fixed while being accommodated in the housing hole, and a fixing member made of a plastic that fills a gap between an inner surface of the housing hole and an outer surface of the permanent magnet. The permanent m...