ALEXANDRIA, Va., June 2 -- United States Patent no. 12,647,011, issued on June 2, was assigned to NIDEC Corp. (Kyoto, Japan).

"Vibration motor and tactile device including the same" was invented by Toshitaka Yamazaki (Kyoto, Japan), Jun Inoue (Kyoto, Japan) and Yoichi Sekii (Kyoto, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration motor includes a stationary portion and a movable portion to vibrate in a central axis direction with respect to the stationary portion. The stationary portion includes a housing and a coil on an outer side in a radial direction of the movable portion. The movable portion includes a core portion including a magnet. The housing houses the movable portion and the coil,...