US Patent Issued to Kubota on May 20 for "Working machine" (Japanese Inventors)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,555, issued on May 20, was assigned to Kubota Corp. (Osaka, Japan).

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

According to the abstract* released by the U.S. Patent & Trademark Office: "A working machine includes a first rotation detector to detect a first rotation speed of the left traveling motor, a second rotation detector to detect a second rotation speed of the right traveling motor, and a controller to perform automatic deceleration to automatically reduce the first rotation speed and the second rotation speed both set at respective second speed stages by shifting a speed stage of each of the first rotation speed and the se...