US Patent Issued to Mitsubishi Electric on May 27 for "Maintenance management system and maintenance management ground system" (Japanese Inventor)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,311,989, issued on May 27, was assigned to Mitsubishi Electric Corp. (Tokyo).

"Maintenance management system and maintenance management ground system" was invented by Hidetoshi Kitanaka (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "A maintenance management ground system includes a data management unit and a determination unit. The data management unit holds and manages information on the life of a part to be installed on a railroad car. The determination unit determines whether it is necessary to replace a first part with a new replacement part within a period in which a periodic inspection of the railroad car is performed, on the basis of the l...