ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,792, issued on June 17, was assigned to Minebea Mitsumi Inc. (Nagano, Japan).
"Vibration actuator and electric apparatus" was invented by Yuki Ogihara (Tokyo), Shigeyuki Shimomura (Tokyo), Chikara Sekiguchi (Tokyo) and Yoshihiro Maeda (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A movable body wherein a pair of annular yokes including an opening at a center and a pair of weight parts including a through hole are stacked on a front and rear surfaces of a magnet having a circular plate shape in an axis direction, and another end portion of a connecting part that connects a pair of elastic support parts on one end portion side is disposed in t...