ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,427,824, issued on Sept. 30, was assigned to Kubota Corp. (Osaka, Japan).

"Work vehicle" was invented by Yusuke Ida (Sakai, Japan), Minoru Hiraoka (Sakai, Japan), Junichi Ishikawa (Sakai, Japan) and Shunya Takase (Sakai, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A work vehicle includes: a body 1; a plurality of travel wheels 2 at front and back portions of the body 1 on each of left and right sides; a plurality of holder mechanisms A held by the body 1 and holding the respective travel wheels 2 in such a manner as to be capable of moving the travel wheels 2 independently of one another relative to the body 1; a detector B configured to detec...