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:
Oct. 06, 2026
Filed:
Jan. 11, 2022
Applicant:
Ntt, Inc., Tokyo, JP;
Inventors:
Nobuhiro Chiba, Tokyo, JP;
Hiroyoshi Takiguchi, Tokyo, JP;
Takaaki Koyama, Tokyo, JP;
Yoshiaki Nakajima, Tokyo, JP;
Assignee:
NTT, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/64 (2013.01);
U.S. Cl.
CPC ...
G06F 21/64 (2013.01);
Abstract
A detection device includes processing circuitry configured to acquire position information and a file size of a falsification detection target file, and determine a change in the position information or the file size acquired, and detect falsification of the falsification detection target file in a case where there is a change in the position information or the file size.