ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,749, issued on Sept. 30, was assigned to LG INNOTEK Co. LTD. (Seoul, South Korea).
"Motor" was invented by Dae Ho Choi (Seoul, South Korea), Sang Jin Kim (Seoul, South Korea) and Gi Chang Moon (Seoul, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention can provide a motor including a shaft, a rotor coupled to the shaft, and a stator disposed to correspond to the rotor, wherein the rotor includes a rotor core, a plurality of magnets coupled to the rotor core, and a magnet holder disposed outside the magnets, the rotor core includes protrusions disposed between the adjacent magnets, the magnet holder includes a first part...