ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,821, issued on Sept. 30, was assigned to HITACHI CONSTRUCTION MACHINERY Co. LTD. (Tokyo).
"Construction machine" was invented by Shinji Ishihara (Tokyo), Shiho Izumi (Tsuchiura, Japan) and Yasuhiko Kanari (Tsuchiura, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A construction machine includes an angle measuring apparatus that sense acceleration and angular velocities of installation portions on a machine body and a work implement and that compute angles of the installation portions relative to a reference plane based on sensing results, and a controller that executes operation assistance of a work implement based on postural information on ...