US Patent Issued to Hitachi Construction Machinery on Jan. 13 for "Management apparatus and management system for work machine" (Japanese Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,018, issued on Jan. 13, was assigned to Hitachi Construction Machinery Co. Ltd. (Tokyo).

"Management apparatus and management system for work machine" was invented by Akira Kurasako (Tsuchiura, Japan) and Hideki Akita (Tsuchiura, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A management apparatus and a management system for a work machine capable of increasing the accuracy in determining whether or not oil of a driving apparatus of the work machine is replaced with genuine oil are provided. A management server manages oil used in the driving apparatus of a hydraulic excavator. The management server includes an oil replacement history creatio...