ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,470,118, issued on Nov. 11, was assigned to ALPS ALPINE Co. LTD. (Tokyo).
"Vibration generating device" was invented by Yuki Ikezoe (Miyagi, Japan), Takahiro Umezu (Miyagi, Japan) and Takayuki Suizu (Miyagi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vibration generating device includes a stationary body including a bottom surface, a movable body disposed in an upper space of the bottom surface, and an elastic support disposed between the stationary and movable bodies and configured to support the movable body to be vibratable forward and backward to the stationary body. The elastic support includes a fixed portion fixed to the bottom surfac...