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:
May. 14, 2024
Filed:
Jan. 16, 2019
Applicant:
Nec Corporation, Tokyo, JP;
Inventors:
Shohei Mitani, Tokyo, JP;
Satoru Yamano, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 11/14 (2006.01); G06F 17/18 (2006.01);
U.S. Cl.
CPC ...
G06F 11/1415 (2013.01); G06F 17/18 (2013.01); G06F 2201/805 (2013.01);
Abstract
An estimation apparatusincludes: a correlation index estimation unitconfigured to receive a variable output by a componentas an input, and estimate correlation index information indicating a range that a value of the variable and a correlation can take after a predetermined time, at a normal time; an abnormality degree calculation unitconfigured to calculate an abnormality degree using the correlation index information; and a causal effect estimation unitconfigured to estimate a causal effect expressing an index indicating that an abnormality propagates to a variable output by the component