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:
Mar. 29, 2022
Filed:
Apr. 23, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Hirofumi Noguchi, Tokyo, JP;
Yoji Yamato, Tokyo, JP;
Misao Kataoka, Tokyo, JP;
Tatsuya Demizu, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A device identification device () includes: a device feature value extractor (--) to routinely extract one or more device feature values of an unknown device; a model identifier () to identify a model of the unknown device; a change pattern generator () to generate one or more change patterns of the extracted one or more device feature values; and a device similarity calculator () to compare each of the generated one or more change patterns with each of change patterns of known devices, to calculate a device similarity therebetween, and identify the unknown device, when the maximum value of the calculated device similarities is equal to or greater than a first threshold, as the known device indicating the maximum value.