US Patent Issued to Kubota on Sept. 2 for "Work machine" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 3 -- United States Patent no. 12,402,550, issued on Sept. 2, was assigned to Kubota Corp. (Osaka, Japan).

"Work machine" was invented by Kohei Ono (Sakai, Japan) and Masahiro Yamada (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A work machine according to the present invention includes a manual operating tool configured to operate a hydraulic actuator; an operation amount detector configured to detect an operation amount of the manual operating tool; a hydraulic pump configured to generate a hydraulic pressure to be supplied to the hydraulic actuator; an electric pump motor configured to change an output characteristic of the hydraulic pump in response to a rotary force ...