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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Filter coefficient optimization apparatus, filter coefficient optim...
Patent number
12,120,490
Issue date
Oct 15, 2024
Nippon Telegraph and Telephone Corporation
Ryotaro Sato
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
PSD optimization apparatus, PSD optimization method, and program
Patent number
11,922,964
Issue date
Mar 5, 2024
Nippon Telegraph and Telephone Corporation
Hironobu Chiba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
PSD optimization apparatus, PSD optimization method, and program
Patent number
11,758,324
Issue date
Sep 12, 2023
Nippon Telegraph and Telephone Corporation
Hironobu Chiba
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Anomalous sound detection training apparatus, acoustic feature extr...
Patent number
11,480,497
Issue date
Oct 25, 2022
Nippon Telegraph and Telephone Corporation
Yuma Koizumi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal processing apparatus, method, and program
Patent number
9,747,921
Issue date
Aug 29, 2017
Nippon Telegraph and Telephone Corporation
Kenta Niwa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound enhancement method, device, program and recording medium
Patent number
9,191,738
Issue date
Nov 17, 2015
NIPPON TELGRAPH AND TELEPHONE CORPORATION
Kenta Niwa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
VARIABLE OPTIMIZATION SYSTEM
Publication number
20240265175
Publication date
Aug 8, 2024
Nippon Telegraph and Telephone Corporation
Kenta NIWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
VIDEO SYNTHESIS APPARATUS, VIDEO SYNTHESIS METHOD, AND PROGRAM
Publication number
20240221120
Publication date
Jul 4, 2024
Nippon Telegraph and Telephone Corporation
Shoichiro TAKEDA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DETECTION METHOD, DETECTION APPARATUS, AND PROGRAM
Publication number
20230306260
Publication date
Sep 28, 2023
Nippon Telegraph and Telephone Corporation
Ryotaro SATO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FILTER COEFFICIENT OPTIMIZATION APPARATUS, FILTER COEFFICIENT OPTIM...
Publication number
20230088204
Publication date
Mar 23, 2023
Nippon Telegraph and Telephone Corporation
Ryotaro SATO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
FILTER COEFFICIENT OPTIMIZATION APPARATUS, LATENT VARIABLE OPTIMIZA...
Publication number
20230083284
Publication date
Mar 16, 2023
Nippon Telegraph and Telephone Corporation
Ryotaro SATO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SOUND SOURCE SEPARATION APPARATUS, SOUND SOURCE SEPARATION METHOD,...
Publication number
20230079569
Publication date
Mar 16, 2023
Nippon Telegraph and Telephone Corporation
Shoichiro TAKEDA
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
VARIABLE OPTIMIZATION APPARATUS, VARIABLE OPTIMIZATION METHOD, AND...
Publication number
20220391467
Publication date
Dec 8, 2022
Nippon Telegraph and Telephone Corporation
Kenta NIWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PSD OPTIMIZATION APPARATUS, PSD OPTIMIZATION METHOD, AND PROGRAM
Publication number
20220343932
Publication date
Oct 27, 2022
Nippon Telegraph and Telephone Corporation
Hironobu CHIBA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
PSD OPTIMIZATION APPARATUS, PSD OPTIMIZATION METHOD, AND PROGRAM
Publication number
20220279274
Publication date
Sep 1, 2022
Nippon Telegraph and Telephone Corporation
Hironobu CHIBA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
LATENT VARIABLE OPTIMIZATION APPARATUS, FILTER COEFFICIENT OPTIMIZA...
Publication number
20220141584
Publication date
May 5, 2022
Nippon Telegraph and Telephone Corporation
Ryotaro SATO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NONNEGATIVE MATRIX FACTORIZATION OPTIMIZATION APPARATUS, NONNEGATIV...
Publication number
20220121728
Publication date
Apr 21, 2022
Nippon Telegraph and Telephone Corporation
Kenta NIWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MACHINE LEARNING SYSTEM, MACHINE LEARNING METHOD, AND PROGRAM
Publication number
20210158226
Publication date
May 27, 2021
Nippon Telegraph and Telephone Corporation
Kenta NIWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
NEURAL NETWORK SYSTEM, NEURAL NETWORK METHOD, AND PROGRAM
Publication number
20210073615
Publication date
Mar 11, 2021
Nippon Telegraph and Telephone Corporation
Kenta NIWA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ANOMALOUS SOUND DETECTION TRAINING APPARATUS, ACOUSTIC FEATURE EXTR...
Publication number
20190120719
Publication date
Apr 25, 2019
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Yuma KOIZUMI
G05 - CONTROLLING REGULATING
Information
Patent Application
SIGNAL PROCESSING APPARATUS, METHOD, AND PROGRAM
Publication number
20160372131
Publication date
Dec 22, 2016
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Kenta NIWA
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SOUND ENHANCEMENT METHOD, DEVICE, PROGRAM AND RECORDING MEDIUM
Publication number
20130287225
Publication date
Oct 31, 2013
Nippon Telegraph and Telephone Corporation
Kenta Niwa
G10 - MUSICAL INSTRUMENTS ACOUSTICS