ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,734, issued on March 25, was assigned to Takeuchi Mfg. Co. Ltd. (Nagano, Japan).
"Working control device in working vehicle" was invented by Kengo Kumeuchi (Chikuma, Japan), Yuta Kobayashi (Tomi, Japan), Shumpei Okutani (Ueda, Japan) and Koichi Shimizu (Ueda, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working control device comprises a hydraulic actuator such as the boom cylinder 36, the bucket cylinder 38, the operation device 160 that is operated by an operator to drive the hydraulic actuator, a hydraulic oil supply source consisting of the electric motor M1 and the hydraulic pump P1 that delivers hydraulic oil required to drive the h...