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.

Date of Patent:
Jun. 24, 2025

Filed:

Sep. 01, 2022
Applicant:

Nomura Research Institute, Ltd., Tokyo, JP;

Inventors:

Koutarou Tamura, Tokyo, JP;

Yasunori Hokazono, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/08 (2006.01); H04L 9/14 (2006.01);
U.S. Cl.
CPC ...
H04L 9/085 (2013.01); H04L 9/14 (2013.01);
Abstract

A secret calculation system includes an acquisition unit that acquires each of a plurality of pieces of processing target data indicating data encrypted using a plurality of pieces of different key information generated by a plurality of information processing systems, from a corresponding information terminal of a plurality of information terminals, a secret calculation unit that generates result data indicating a result of calculation based on the plurality of pieces of processing target data in a state where the plurality of pieces of processing target data are encrypted, and a providing unit that provides the result data to the plurality of information terminals.


Find Patent Forward Citations

Loading…