ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,816, issued on Sept. 30, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Work machine" was invented by Hiroki Ishii (Tsuchiura, Japan) and Shinjiro Yamamoto (Ami-Machi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A work machine includes hydraulic actuators that drive a work implement, and a controller configured to output a control signal for controlling each hydraulic actuator on the basis of a velocity command to each actuator computed at each computation cycle. When controlling an action of a first hydraulic actuator under a predetermined condition according to an action of a second hydraulic actuator, the controller c...