ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,914, issued on Feb. 24, was assigned to SUMITOMO CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Excavator management system, mobile terminal for excavator, and recording medium" was invented by Soutarou Otoh (Chiba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An excavator management system includes an excavator configured to acquire state quantity information representing a state quantity of the excavator detected by a plurality of sensors; and a mobile terminal. The mobile terminal includes a communication control part configured to transmit, to the excavator, a request signal requesting the excavator to transmit the state quantity information....