US Patent Issued to Hitachi Construction Machinery on June 30 for "Work machine diagnosis device" (Japanese Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,956, issued on June 30, was assigned to Hitachi Construction Machinery Co. Ltd. (Tokyo).

"Work machine diagnosis device" was invented by Takuma Matsuyama (Abiko, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A work machine diagnosis device includes: a display device that displays an operation procedure of a work machine; a controller that acquires a state quantity from a sensor that senses the state quantity of the work machine while the work machine is being operated with the operation procedure, and diagnoses actuation performance of the work machine based on the state quantity; and an output device that outputs a diagnosis result. The cont...