ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,434, issued on March 17, was assigned to DENSO Corp. (Kariya, Japan).

"Rotor for rotating electric machine and method of manufacturing rotor" was invented by Hiroshi Endo (Kariya-city, Japan) and Nobuo Isogai (Kariya-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for a rotating electric machine includes a rotor core having a plurality of magnet-receiving holes formed along a circumferential direction, and a plurality of permanent magnets each of which is received in a corresponding one of the magnet-receiving holes of the rotor core. Each of the magnet-receiving holes has a pair of a radially-outer wall surface and a radially-in...