ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,374, issued on March 11, was assigned to Kubota Corp. (Osaka, Japan).
"Working machine" was invented by Ryota Hamamoto (Osaka, Japan), Kazuki Ueda (Osaka, Japan) and Daiki Abe (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes a controller that performs shift shock reduction control when shift-down switching from a second state to a first state, in which a motor speed can be increased up to a first maximum speed lower than a second maximum speed available in the second state, is performed. The controller includes a first processor configured to, based on a drop amount that is a difference between target and actu...