The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 24, 2026
Filed:
Feb. 25, 2020
Mitsubishi Electric Corporation, Tokyo, JP;
Koji Wakimoto, Tokyo, JP;
Takafumi Ueda, Tokyo, JP;
Osamu Arai, Tokyo, JP;
Kentaro Funato, Tokyo, JP;
Tatsuya Shiraishi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A state-monitoring device includes: a state estimating unit to estimate a state of an instrument using operation information of a train on which the instrument is mounted; an instrument arrangement storing unit to store instrument arrangement information indicating arrangement of the instrument in the train; and a work plan output unit to extract the instrument to be maintained that requires inspection or component replacement on the basis of a state estimation value of the instrument, and output information regarding maintenance work in which the instrument to be maintained and the instrument arrangement information are associated with each other.