ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,582, issued on Oct. 6, was assigned to KOMATSU LTD. (Tokyo).

"Work machine monitoring system and work machine monitoring method" was invented by Yuya Murakami (Tokyo), Shun Kawamoto (Tokyo), Ryohei Emoto (Tokyo), Shoji Sonoyama (Tokyo) and Shota Hirama (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A work machine monitoring system includes a measurement data acquisition unit that acquires measurement data of a ground on which a work machine travels by rotation of a rotating member included in the work machine, the rotating member contacting the ground, a boulder determination unit that determines presence or absence of a boulder on the ground ...