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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.:

US 12489619 B1

PDFFull Text
Date of Patent:
Dec. 02, 2025

Filed:

Jun. 25, 2021

Terminal apparatus, encrypted information transformation apparatus, collation system, input information encryption method, encrypted information transformation method, collation method, input information encryption program, and encrypted information transformation program

Applicant:

Nec Corporation, Tokyo, JP;

Inventors:

Kengo Mori, Tokyo, JP;

Toshiyuki Isshiki, Tokyo, JP;

Sanami Nakagawa, Tokyo, JP;

Hiroto Tamiya, Tokyo, JP;

Masahiro Nara, Tokyo, JP;

Assignee:

NEC CORPORATION, Tokyo, JP;

Attorney:

Sughrue Mion, PLLC

Primary Examiner:

Samson B Lemma

Int. Cl.
CPC ...
H04L 9/08 (2006.01);
U.S. Cl.
CPC ...
H04L 9/0869 (2013.01); H04L 9/0894 (2013.01);
Abstract

In order to realize encryption processing capable of suppressing the degradation of collation accuracy and reducing the risk of information leakage, a terminal apparatus for encrypting input information to be input for collation is provided, the terminal apparatus being configured to perform transformation parameter generation processing for generating a transformation parameter based on a first parameter stored in a storage area and a second parameter that is different from the first parameter, and encrypt the input information input for collation using the transformation parameter to generate encrypted input information.

Find Patent Forward Citations

Mori, Kengo. (2025). Terminal apparatus, encrypted information transformation apparatus, collation system, input information encryption method, encrypted information transformation method, collation method, input information encryption program, and encrypted information transformation program (U.S. Patent No. 12489619). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12489619

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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