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:
May. 19, 2026
Filed:
Oct. 06, 2020
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Hikaru Tsuchida, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/40 (2022.01); G06F 7/76 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3236 (2013.01); G06F 7/764 (2013.01); H04L 9/0869 (2013.01);
Abstract
A secure computation system comprises at least five secure computation server apparatuses connected to each other via a network and performs secure computation on a value stored while being secret-shared, and each of the secure computation server apparatuses has a comparative verification part that compares values, which should be the same, received from at least three secure computation server apparatuses and that accepts a received value identical to at least another received value as a correct value.