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:
Sep. 21, 2021
Filed:
Mar. 18, 2019
Hitachi, Ltd., Tokyo, JP;
Keiro Muro, Tokyo, JP;
HITACHI, LTD., Tokyo, JP;
Abstract
An analysis method performed by a computer analyzes analysis data acquired from a system which includes a plurality of devices to manufacture a product. The computer manages a set of values of each field of the analysis data as a column, analyzes a correspondence from a value belonging to a first target column to a value belonging to a second target column, specifies a surjection column pair which is a set of the first target column and the second target column which have a surjective correspondence, generates graph information to manage a graph of tree structure indicating a connection relation of the column by connecting a graph which has nodes of the first target column and the second target column of the surjection column pair, and performs a yield analysis to specify a parameter affecting an evaluation value using the graph information.