ALEXANDRIA, Va., June 4 -- United States Patent no. 12,319,134, issued on June 3, was assigned to Yanmar Holdings Co. Ltd. (Osaka, Japan) and Toyota Motor Corp. (Toyota, Japan).
"Electric tractor" was invented by Yusuke Hashimoto (Okayama, Japan), Taihei Daiyakuji (Okayama, Japan), Masashi Matsumoto (Toyota, Japan), Tomohiko Miyamoto (Toyota, Japan), Hirotsugu Iwamoto (Toyota, Japan) and Tomohiro Sato (Toyota, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The electric tractor is equipped with a battery, a transmission unit, a machine body frame, a rear axle unit, and a front axle unit. The transmission unit shifts the input power and outputs the shifted input power. The machine body frame is fixed to ...