ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,262, issued on July 21, was assigned to CORELESS MOTOR Co. LTD. (Kanagawa, Japan).

"Coreless motor" was invented by Manabu Shiraki (Yamato, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A coreless motor includes a shaft that extends in the axial direction at the center of the coreless motor and passes through said coreless motor; a coil is disposed with respect to the shaft, and has an end surface on one side that is supported by a stator and extends in the direction in which the shaft extends; a rotor that is disposed with respect to the fixed shaft and includes a cylindrical inner yoke and an outer yoke positioned so that the coil is sandwi...