ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,581, issued on Sept. 9, was assigned to KOMATSU LTD. (Tokyo).

"Electric cylinder and work machine" was invented by Hideshi Iitani (Tokyo) and Shouta Akazaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric cylinder includes a motor that is a driving source, an output shaft configured to rotate in response to driving of the motor, a sun gear coupled to the output shaft and configured to rotate in response to the rotation of the output shaft, a tubular holder disposed adjacent to an axial end surface of the motor and including a fluid accommodation portion that allows a magnetic fluid to be accommodated between the holder and an oute...