ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,500,500, issued on Dec. 16, was assigned to Mazda Motor Corp. (Hiroshima, Japan).
"Rotor, rotary electric machine, and vehicle" was invented by Naoki Itasaka (Aki-gun, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor including a rotor core and magnetic pole parts provided therein is provided. Each magnetic pole part includes a fixed magnetic-force magnet of which a magnetizing direction is oriented in a radial direction, first variable magnetic-force magnets disposed radially outward of the fixed magnetic-force magnet on both sides thereof in a circumferential direction so that magnetizing directions are oriented in the circumferential direc...