ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,161, issued on Oct. 14, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Work machine" was invented by Shuuichi Meguriya (Ishioka, Japan), Teruki Igarashi (Tsuchiura, Japan) and Akihiro Narazaki (Tsukuba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A work machine includes a swing structure, a work device, a position sensor, a posture sensor and a controller that performs machine control on the basis of a target surface set on the basis of target shape data, the position information of the swing structure, and the information about the posture of the work machine. When the controller becomes unable to obtain the position inf...