ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,731, issued on March 25, was assigned to Kobelco Construction Machinery Co. Ltd. (Hiroshima, Japan).
"Remote operation system" was invented by Daiki Ishida (Hiroshima, Japan) and Yoichiro Yamazaki (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "It is possible to notify an operator of a change in radio wave intensity in addition to the radio wave intensity received by a remotely operating vehicle. A radio wave is transmitted to and received from a vehicle to operate the vehicle. A communication device 14 includes a display unit 21 configured to display information, in which the display unit 21 is capable of displaying a first image 22 represen...