US Patent Issued to Hitachi Building Systems on Sept. 30 for "Inspection device and inspection method for elevating machine" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,265, issued on Sept. 30, was assigned to Hitachi Building Systems Co. Ltd. (Tokyo).

"Inspection device and inspection method for elevating machine" was invented by Toshiaki Matsumoto (Tokyo), Masaru Kawasaki (Tokyo) and Yanzhou Song (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention measures a sound generated from mechanical equipment, specifies an abnormal component from measurement data, indicates, if a plurality of specified components exists, an additional measurement position, and compares a plurality of measured data, to specify an arrangement position of the abnormal component."

The patent was filed on Dec. 16, 2020...