ALEXANDRIA, Va., March 26 -- United States Patent no. 12,258,737, issued on March 25, was assigned to KOMATSU LTD. (Tokyo).

"Work machine, measurement method, and system" was invented by Shota Yamawaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A boom is attached to a machine main body. A bucket is attached to the boom. A boom cylinder is attached to the machine main body and drives the boom. A bucket cylinder is attached to the machine main body and drives the bucket with respect to the boom. A controller calculates a mass of a load within the bucket based on boom cylinder force and bucket cylinder force."

The patent was filed on Dec. 2, 2020, under Application No. 17/773,270.

*For further info...