ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,742,307, issued on Sept. 22, was assigned to Hitachi Construction Machinery Co. Ltd. (Tokyo).
"Construction machine" was invented by Shinji Nishikawa (Kasumigaura, Japan), Ryohei Yamashita (Sumida-ku, Japan) and Akihiro Narazaki (Tsukuba, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A machine controller that controls an action of the construction machine; an external operation controller that controls unmanned operation that does not require operation by an operator riding in an operation room, by generating a control signal according to an operation signal received from an outside via a communication terminal, and sending the control signal to...