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.

Date of Patent:
Jan. 04, 2022

Filed:

Sep. 03, 2020
Applicant:

Mitsubishi Electric Corporation, Tokyo, JP;

Inventors:

Masashi Tatedoko, Tokyo, JP;

Tsuyoshi Higuchi, Tokyo, JP;

Kiyoto Kawauchi, Tokyo, JP;

Takeshi Yoneda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05B 19/418 (2006.01);
U.S. Cl.
CPC ...
G05B 19/4185 (2013.01); G05B 19/4184 (2013.01); G05B 19/41845 (2013.01); G05B 19/41865 (2013.01);
Abstract

An apparatus for identifying a path pattern of devices that produces a defective product in a production line where a product is produced via a plurality of device is provided. The device is configured to estimate a path pattern quality indicating a quality of a group of products produced through a production path included in a path pattern, based on a production path quality and an association relationship between a path pattern and a production path indicating devices via which the product is produced and an order of passing through the devices; and to identify a path pattern suspected to be defective based on the estimated path pattern quality.


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