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:
Nov. 18, 2025
Filed:
Jun. 08, 2021
Applicant:
Ntt, Inc., Tokyo, JP;
Inventors:
Hiroki Sudo, Musashino, JP;
Dai Ikarashi, Musashino, JP;
Assignee:
NTT, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/60 (2013.01);
U.S. Cl.
CPC ...
G06F 21/602 (2013.01);
Abstract
By using [x], . . . , [x], . . . , [x], . . . , [x] obtained by concealing L sets X={x, . . . , x}, . . . , X={x, . . . , x}, [c], . . . , [c] obtained by concealing the number cof elements representing kamong x, . . . , x, . . . , x, . . . , xfor p=0, . . . , m−1 are obtained, [eq], . . . , [eq] obtained by concealing eq=T when cis L and eq=F when cis not L for p=0, . . . , m−1 are obtained, and a data structure including [k] and [eq] associated with each other is output as a concealed operation result of a product set of X, . . . , X.