US Patent Issued to MITSUBISHI HEAVY INDUSTRIES on July 1 for "Diagnosis system and diagnosis method for opening/closing device" (Japanese Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,744, issued on July 1, was assigned to MITSUBISHI HEAVY INDUSTRIES LTD. (Tokyo).

"Diagnosis system and diagnosis method for opening/closing device" was invented by Kazuumi Kondo (Tokyo), Mitsuaki Hoshi (Yokohama, Japan), Fujio Shinoki (Yokohama, Japan) and Kosaku Murase (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A diagnosis system diagnoses the integrity of an opening/closing device capable of opening and closing by driving a motor. A driving current acquisition unit acquires a driving current of the motor. A diagnosis unit defines a current waveform from a temporal change of the driving current acquired by the driving current ac...