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Shoko Araki
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Kyotanabe-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Mask estimation device, mask estimation method, and mask estimation...
Patent number
12,254,250
Issue date
Mar 18, 2025
Nippon Telegraph and Telephone Corporation
Tomohiro Nakatani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Noise spatial covariance matrix estimation apparatus, noise spatial...
Patent number
11,676,619
Issue date
Jun 13, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro Nakatani
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Speech intelligibility calculating method, speech intelligibility c...
Patent number
11,462,228
Issue date
Oct 4, 2022
Nippon Telegraph and Telephone Corporation
Shoko Araki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Estimation device, learning device, estimation method, learning met...
Patent number
11,456,003
Issue date
Sep 27, 2022
Nippon Telegraph and Telephone Corporation
Keisuke Kinoshita
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal analysis device for modeling spatial characteristics of sour...
Patent number
11,423,924
Issue date
Aug 23, 2022
Nippon Telegraph and Telephone Corporation
Nobutaka Ito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal analysis device, signal analysis method, and signal analysis...
Patent number
11,302,343
Issue date
Apr 12, 2022
Nippon Telegraph and Telephone Corporation
Nobutaka Ito
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Mask estimation apparatus, mask estimation method, and mask estimat...
Patent number
10,878,832
Issue date
Dec 29, 2020
Nippon Telegraph and Telephone Corporation
Nobutaka Ito
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Spatial correlation matrix estimation device, spatial correlation m...
Patent number
10,643,633
Issue date
May 5, 2020
Nippon Telegraph and Telephone Corporation
Tomohiro Nakatani
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Signal separating apparatus, signal separating method, signal separ...
Patent number
7,647,209
Issue date
Jan 12, 2010
Nippon Telegraph and Telephone Corporation
Hiroshi Sawada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Signal separation method, signal separation device and recording me...
Patent number
7,496,482
Issue date
Feb 24, 2009
Nippon Telegraph and Telephone Corporation
Shoko Araki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Position information estimation device, method thereof, and program
Patent number
7,039,546
Issue date
May 2, 2006
Nippon Telegraph and Telephone Corporation
Hiroshi Sawada
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROC...
Publication number
20250029625
Publication date
Jan 23, 2025
Nippon Telegraph and Telephone Corporation
Tsubasa OCHIAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
ACOUSTIC SIGNAL ENHANCEMENT DEVICE, ACOUSTIC SIGNAL ENHANCEMENT MET...
Publication number
20240312446
Publication date
Sep 19, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro NAKATANI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
ACOUSTIC SIGNAL ENHANCEMENT APPARATUS, METHOD AND PROGRAM
Publication number
20240127841
Publication date
Apr 18, 2024
Nippon Telegraph and Telephone Corporation
Tomohiro NAKATANI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, SIGNAL PROCESSI...
Publication number
20240129666
Publication date
Apr 18, 2024
Nippon Telegraph and Telephone Corporation
Tsubasa OCHIAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, SIGNAL PROCESSI...
Publication number
20240038254
Publication date
Feb 1, 2024
Nippon Telegraph and Telephone Corporation
Tsubasa OCHIAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
TARGET SOURCE SIGNAL GENERATION APPARATUS, TARGET SOURCE SIGNAL GEN...
Publication number
20240038253
Publication date
Feb 1, 2024
Nippon Telegraph and Telephone Corporation
Rintaro IKESHITA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ACOUSTIC SIGNAL ENHANCEMENT APPARATUS, METHOD AND PROGRAM
Publication number
20230370778
Publication date
Nov 16, 2023
Nippon Telegraph and Telephone Corporation
Tomohiro NAKATANI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SIGNAL PROCESSING APPARATUS, SIGNAL PROCESSING METHOD, AND PROGRAM
Publication number
20230087982
Publication date
Mar 23, 2023
Nippon Telegraph and Telephone Corporation
Rintaro IKESHITA
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SIGNAL PROCESSING DEVICE, SIGNAL PROCESSING METHOD, AND SIGNAL PROC...
Publication number
20230067132
Publication date
Mar 2, 2023
Nippon Telegraph and Telephone Corporation
Tsubasa OCHIAI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
NOISE SPATIAL COVARIANCE MATRIX ESTIMATION APPARATUS, NOISE SPATIAL...
Publication number
20220130406
Publication date
Apr 28, 2022
Nippon Telegraph and Telephone Corporation
Tomohiro NAKATANI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SPEECH INTELLIGIBILITY CALCULATING METHOD, SPEECH INTELLIGIBILITY C...
Publication number
20210375300
Publication date
Dec 2, 2021
Nippon Telegraph and Telephone Corporation
Shoko ARAKI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
ESTIMATION DEVICE, LEARNING DEVICE, ESTIMATION METHOD, LEARNING MET...
Publication number
20210366502
Publication date
Nov 25, 2021
Nippon Telegraph and Telephone Corporation
Keisuke KINOSHITA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MASK ESTIMATION DEVICE, MASK ESTIMATION METHOD, AND MASK ESTIMATION...
Publication number
20210216687
Publication date
Jul 15, 2021
Nippon Telegraph and Telephone Corporation
Tomohiro NAKATANI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SIGNAL ANALYSIS DEVICE, SIGNAL ANALYSIS METHOD, AND SIGNAL ANALYSIS...
Publication number
20210012790
Publication date
Jan 14, 2021
Nippon Telegraph and Telephone Corporation
Nobutaka ITO
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SIGNAL ANALYSIS DEVICE, SIGNAL ANALYSIS METHOD, AND SIGNAL ANALYSIS...
Publication number
20200411027
Publication date
Dec 31, 2020
Nippon Telegraph and Telephone Corporation
Nobutaka ITO
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
SIGNAL ANALYSIS DEVICE, SIGNAL ANALYSIS METHOD, AND RECORDING MEDIUM
Publication number
20200411031
Publication date
Dec 31, 2020
Nippon Telegraph and Telephone Corporation
Nobutaka ITO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MASK ESTIMATION APPARATUS, MASK ESTIMATION METHOD, AND MASK ESTIMAT...
Publication number
20190267019
Publication date
Aug 29, 2019
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Nobutaka ITO
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SPATIAL CORRELATION MATRIX ESTIMATION DEVICE, SPATIAL CORRELATION M...
Publication number
20180366135
Publication date
Dec 20, 2018
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Tomohiro NAKATANI
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Signal Separation Device, Signal Separation Method, Signal Separati...
Publication number
20080215651
Publication date
Sep 4, 2008
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Hiroshi Sawada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Signal separation method, signal separation device, signal separati...
Publication number
20060058983
Publication date
Mar 16, 2006
Nippon Telegraph and Telephone Corporation
Shoko Araki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Position information estimation device, method thereof, and program
Publication number
20050203981
Publication date
Sep 15, 2005
Hiroshi Sawada
G01 - MEASURING TESTING