ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,662, issued on April 22, was assigned to BRIDGESTONE Corp. (Tokyo).
"Fluid pressure actuator" was invented by Hitoshi Yasui (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fluid pressure actuator according to this disclosure is a fluid pressure actuator that expands and contracts by fluid pressure, including an attachment attached to the distal end side, wherein the attachment is a spatular portion including a holding surface at one side in the thickness direction, and the spatular portion includes: a thin-walled portion at the distal end side; and a bump thick-walled portion that is located at the proximal end side of the thin-walled portion...