ALEXANDRIA, Va., July 7 -- United States Patent no. 12,674,302, issued on July 7, was assigned to Kubota Corp. (Osaka, Japan).

"Working machine" was invented by Ryota Hamamoto (Osaka, Japan), Yuji Fukuda (Osaka, Japan), Tomoyuki Noguchi (Osaka, Japan) and Kohei Nagao (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes a controller to: select one of pieces of operation characteristics information corresponding to respective work attachments stored in a memory that corresponds to a work attachment attached to an attachment mount portion and fluidly connected to a hydraulic fluid port; and control, based on the selected one of the pieces of operation characteristics informati...