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Patents Grants
last 30 patents
Information
Patent Grant
Secure computation apparatus, secure computation method, and program
Patent number
12,192,339
Issue date
Jan 7, 2025
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure computation apparatus, secure computation method, and program
Patent number
12,166,864
Issue date
Dec 10, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secret survival data processing system, secret survival data proces...
Patent number
12,095,906
Issue date
Sep 17, 2024
Nippon Telegraph and Telephone Corporation
Atsunori Ichikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure joining information generation system, secure joining system...
Patent number
12,079,363
Issue date
Sep 3, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secret sigmoid function calculation system, secret logistic regress...
Patent number
12,081,655
Issue date
Sep 3, 2024
Nippon Telegraph and Telephone Corporation
Ibuki Mishina
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure computation apparatus, secure computation method, and program
Patent number
11,934,564
Issue date
Mar 19, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Parameter setting apparatus, computation apparatus, method, program...
Patent number
11,907,641
Issue date
Feb 20, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure strong mapping computing systems, methods, secure computing...
Patent number
11,886,876
Issue date
Jan 30, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Share generating device, share converting device, secure computatio...
Patent number
11,888,977
Issue date
Jan 30, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure joining system, method, secure computing apparatus and program
Patent number
11,888,973
Issue date
Jan 30, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secret statistical processing systems, methods, statistical process...
Patent number
11,880,489
Issue date
Jan 23, 2024
Nippon Telegraph and Telephone Corporation
Satoshi Tanaka
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure cross tabulation system, secure computation apparatus, secur...
Patent number
11,868,510
Issue date
Jan 9, 2024
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Share generating device, reconstructing device, secure computation...
Patent number
11,818,254
Issue date
Nov 14, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Secret joining system, method, secret calculation apparatus and pro...
Patent number
11,797,540
Issue date
Oct 24, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Retrieval device, retrieval method, program, and recording medium
Patent number
11,675,847
Issue date
Jun 13, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secret computation method, secret computation system, secret comput...
Patent number
11,646,880
Issue date
May 9, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secret deduplication filter generation system, secret deduplication...
Patent number
11,625,363
Issue date
Apr 11, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure aggregate sum system, secure computation apparatus, secure a...
Patent number
11,595,194
Issue date
Feb 28, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure aggregate function computation system, secure computation ap...
Patent number
11,593,362
Issue date
Feb 28, 2023
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure computation device, secure computation method, program, and...
Patent number
11,515,998
Issue date
Nov 29, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secret table reference system, method, secret calculation apparatus...
Patent number
11,480,991
Issue date
Oct 25, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Confidential sort system and method
Patent number
11,461,395
Issue date
Oct 4, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure computation system, secure computation apparatus, secure com...
Patent number
11,456,862
Issue date
Sep 27, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Share generating device, share converting device, secure computatio...
Patent number
11,374,743
Issue date
Jun 28, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure computation device, secure computation authentication system...
Patent number
11,329,808
Issue date
May 10, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure aggregate median system, secure computation apparatus, secur...
Patent number
11,316,674
Issue date
Apr 26, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Agreement system, agreement apparatus, program, and recording medium
Patent number
11,265,155
Issue date
Mar 1, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Secure equijoin system, secure equijoin device, secure equijoin met...
Patent number
11,250,004
Issue date
Feb 15, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure aggregate maximum system, secure aggregate minimum system, s...
Patent number
11,251,945
Issue date
Feb 15, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Secure aggregate order system, secure computation apparatus, secure...
Patent number
11,240,012
Issue date
Feb 1, 2022
Nippon Telegraph and Telephone Corporation
Dai Ikarashi
G06 - COMPUTING CALCULATING COUNTING
Patents Applications
last 30 patents
Information
Patent Application
SECURE CONJUGATE GRADIENT METHOD COMPUTATION METHOD, SECURE CONJUGA...
Publication number
20240372708
Publication date
Nov 7, 2024
Nippon Telegraph and Telephone Corporation
Takumi FUKAMI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE EQUI-JOIN APPARATUS, SECURE EQUI-JOIN METHOD, AND PROGRAM
Publication number
20240289335
Publication date
Aug 29, 2024
Nippon Telegraph and Telephone Corporation
Junko HASHIMOTO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE COMPUTATION APPARATUS, SECURE COMPUTATION SYSTEM, SECURE COM...
Publication number
20240273219
Publication date
Aug 15, 2024
Nippon Telegraph and Telephone Corporation
Hiroki SUDO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE COMPUTATION APPARATUS, SECURE COMPUTATION SYSTEM, SECURE COM...
Publication number
20240273180
Publication date
Aug 15, 2024
Nippon Telegraph and Telephone Corporation
Hiroki SUDO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISTRIBUTED LEARNING METHOD, DISTRIBUTED LEARNING SYSTEM, SERVER, A...
Publication number
20240256974
Publication date
Aug 1, 2024
Nippon Telegraph and Telephone Corporation
Takumi FUKAMI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECRET CALCULATION SYSTEM, APPARATUS, METHOD AND PROGRAM
Publication number
20240184577
Publication date
Jun 6, 2024
Nippon Telegraph and Telephone Corporation
Ryo KIKUCHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE RELATIONAL ALGEBRAIC OPERATION SYSTEM, SECURE COMPUTATION AP...
Publication number
20240061904
Publication date
Feb 22, 2024
Nippon Telegraph and Telephone Corporation
Hiroki SUDO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECRET MSB NORMALIZATION SYSTEM, DISTRIBUTED PROCESSING APPARATUS,...
Publication number
20230401033
Publication date
Dec 14, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE SHIFT SYSTEM, SECURE SHIFT APPARATUS, SECURE SHIFT METHOD, A...
Publication number
20230379151
Publication date
Nov 23, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE COMPUTATION SYSTEM, SECURE COMPUTATION APPARATUS, SECURE COM...
Publication number
20230367879
Publication date
Nov 16, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE COMPUTATION SYSTEM, SECURE COMPUTATION APPARATUS, SECURE COM...
Publication number
20230370251
Publication date
Nov 16, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PARAMETER ESTIMATION APPARATUS, PARAMETER ESTIMATION SYSTEM, PARAME...
Publication number
20230367846
Publication date
Nov 16, 2023
Nippon Telegraph and Telephone Corporation
Ibuki MISHINA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE EXPONENT UNIFICATION SYSTEM, SECURE EXPONENT UNIFICATION APP...
Publication number
20230359438
Publication date
Nov 9, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECRET MODULUS CONVERSION SYSTEM, DISTRIBUTED PROCESSING APPARATUS,...
Publication number
20230359439
Publication date
Nov 9, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE INVERSE COMPUTATION SYSTEM, SECURE NORMALIZATION SYSTEM, MET...
Publication number
20230344630
Publication date
Oct 26, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE COMPUTATION APPARATUS, SECURE COMPUTATION METHOD, AND PROGRAM
Publication number
20230101710
Publication date
Mar 30, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE COMPUTATION APPARATUS, SECURE COMPUTATION METHOD, AND PROGRAM
Publication number
20230102267
Publication date
Mar 30, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE EXPONENTIAL FUNCTION COMPUTATION SYSTEM, SECURE EXPONENTIAL...
Publication number
20230069892
Publication date
Mar 9, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE SQUARE ROOT COMPUTATION SYSTEM, SECURE NORMALIZATION SYSTEM,...
Publication number
20230044126
Publication date
Feb 9, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE INVERSE SQUARE ROOT COMPUTATION SYSTEM, SECURE NORMALIZATION...
Publication number
20230038504
Publication date
Feb 9, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE SELECTIVE PRODUCT COMPUTATION SYSTEM, SECURE SELECTIVE PRODU...
Publication number
20230036496
Publication date
Feb 2, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE COMPUTATION APPARATUS, SECURE COMPUTATION METHOD, AND PROGRAM
Publication number
20230013830
Publication date
Jan 19, 2023
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
COMPUTATION APPARATUS, METHOD AND PROGRAM FOR THE SAME
Publication number
20220413802
Publication date
Dec 29, 2022
Nippon Telegraph and Telephone Corporation
Hiroki SUDO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE COMPUTATION APPARATUS, SECURE COMPUTATION METHOD, AND PROGRAM
Publication number
20220407682
Publication date
Dec 22, 2022
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
SECRET SURVIVAL DATA PROCESSING SYSTEM, SECRET SURVIVAL DATA PROCES...
Publication number
20220360431
Publication date
Nov 10, 2022
Nippon Telegraph and Telephone Corporation
Atsunori ICHIKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE GRADIENT DESCENT COMPUTATION METHOD, SECURE DEEP LEARNING ME...
Publication number
20220329408
Publication date
Oct 13, 2022
Nippon Telegraph and Telephone Corporation
Ibuki MISHINA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECRET SOFTMAX FUNCTION CALCULATION SYSTEM, SECRET SOFTMAX CALCULAT...
Publication number
20220292362
Publication date
Sep 15, 2022
Nippon Telegraph and Telephone Corporation
Ibuki MISHINA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SECURE CROSS TABULATION SYSTEM, SECURE COMPUTATION APPARATUS, SECUR...
Publication number
20220292223
Publication date
Sep 15, 2022
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SHARE GENERATING DEVICE, SHARE CONVERTING DEVICE, SECURE COMPUTATIO...
Publication number
20220278829
Publication date
Sep 1, 2022
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SECURE RIGHT SHIFT COMPUTATION SYSTEM, SECURE DIVISION SYSTEM, METH...
Publication number
20220060318
Publication date
Feb 24, 2022
Nippon Telegraph and Telephone Corporation
Dai IKARASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE