ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,580, issued on Oct. 6, was assigned to Kobelco Construction Machinery Co. Ltd. (Hiroshima, Japan).

"Actual machine management device, and actual machine management system" was invented by Tomotaka Mitani (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An actual machine management device 300 configured to manage a plurality of work machines 400, 500 to be remotely operated, each work machine including a power storage device 440, 540 and a communication device 421, 521 capable of transmitting power storage information regarding the remaining amount of power storage of the power storage device 440, 540, the actual machine management dev...