ALEXANDRIA, Va., June 17 -- United States Patent no. 12,312,771, issued on May 27, was assigned to Kubota Corp. (Osaka, Japan).
"Work vehicle and control method for work vehicle" was invented by Kohei Nagao (Sakai, Japan), Daiki Abe (Sakai, Japan) and Ryota Hamamoto (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A work vehicle includes a primary pressure control valve configured to control a pilot primary pressure of pilot oil. A secondary pressure control valve is configured to control a pilot secondary pressure of the pilot oil. Control circuitry is configured to control a rotation speed of an engine according to a target rotation speed. The control circuitry is configured to control the prim...