ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,368, issued on Jan. 20, was assigned to Yanmar Holdings Co. Ltd. (Osaka, Japan).
"Electric work machine" was invented by Kotaro Nomura (Fukuoka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A hydraulic excavator as an electric work machine includes an electric motor, a plurality of battery units that store electric power to drive the electric motor, and a machine-body frame on which the electric motor and the plurality of battery units are mounted. The plurality of battery units are located in parallel in one direction and aligned in a direction perpendicular to the one direction in the machine-body frame. At least two of the plurality of ba...