ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,709,863, issued on Aug. 18, was assigned to HIROSHIMA UNIVERSITY (Higashi-Hiroshima, Japan) and KOBELCO CONSTRUCTION MACHINERY Co. LTD. (Hiroshima, Japan).

"Construction machine" was invented by Ryota Hashimoto (Hiroshima, Japan), Yasuhiko Shimazu (Hiroshima, Japan) and Sho Okimoto (Hiroshima, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A construction machine is capable of preventing degradation in efficiency of excavation work while preventing an increase in excavation resistance in the excavation work. A controller of a construction machine determines an accommodation state of earth and sand accommodated in a bucket, and outputs a resistance ...