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:
May. 05, 2026

Filed:

Jul. 08, 2021
Applicant:

Ntt, Inc., Tokyo, JP;

Inventors:

Ryo Kikuchi, Musashino, JP;

Dai Ikarashi, Musashino, JP;

Hiroki Sudo, Musashino, JP;

Assignee:

NTT, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/30 (2018.01);
U.S. Cl.
CPC ...
G06F 9/30036 (2013.01);
Abstract

A secure computation deviceof the secure computation system includes a first calculation unit, a second calculation unit, a third calculation unit, a fourth calculation unit, and an output unit. By calculation being performed in cooperation of these, a group by max operation or a group by min operation can be performed on a table to which a flag is added.


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