ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,840, issued on April 7, was assigned to FOSTER ELECTRIC COMPANY Ltd. (Tokyo).
"Actuator" was invented by Tatsushi Sasanuma (Akishima, Japan), Takeshi Yamamoto (Akishima, Japan) and Kazuki Ida (Akishima, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An actuator includes an attachment member including a coil; a movable element having a magnet disposed opposite to the coil, and that is displaced relative to the attachment member when the coil is energized; a resilient support; and a cushioning material. The resilient support has an attachment member-side fixing portion that is fixed to the attachment member, a movable element-side fixing portion...