ALEXANDRIA, Va., March 31 -- United States Patent no. 12,592,591, issued on March 31, was assigned to Atieva Inc. (Newark, Calif.).

"Electric motor with insulated permanent magnet" was invented by Anandakumar Subbiah (Newark, Calif.) and Vivek Meenakshi Sundaram (Newark, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of manufacturing a rotor for an electric motor comprises: positioning a permanent magnet within a magnet hole formed in a rotor body, the rotor body and the permanent magnet to form a rotor for an electric motor; providing an electrically insulating layer between the permanent magnet and a surface of the rotor body, the surface at least partially defines the magnet hole; performi...