ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,459, issued on Feb. 3, was assigned to PANASONIC INTELLECTUAL PROPERTY MANAGEMENT Co. LTD. (Osaka, Japan).
"Electric motor" was invented by Takanori Amaya (Osaka, Japan) and Yasuo Nanbu (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor includes a rotor having an iron core to which a rotary shaft extending in a shaft center direction is fixed, and a stator disposed to face the rotor. The stator includes a plurality of teeth extending to the rotor, and a slot positioned between adjacent teeth among the plurality of teeth. The iron core includes a plurality of magnet insertion holes and a plurality of permanent magnets dispo...