Masanori TSUJIKAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Area-specific environment management system for providing environme...
- Patent number 12,228,295
- Issue date Feb 18, 2025
- NEC Corporation
- Masanori Tsujikawa
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Alertness estimation apparatus, alertness estimation method, and co...
- Patent number 11,992,317
- Issue date May 28, 2024
- NEC Corporation
- Masanori Tsujikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Information processing device, control method, and storage medium
- Patent number 11,986,301
- Issue date May 21, 2024
- NEC Corporation
- Terumi Umematsu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Drowsiness estimating device, drowsiness estimating method, and dro...
- Patent number 11,589,787
- Issue date Feb 28, 2023
- NEC Corporation
- Masanori Tsujikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Environmental apparatus controller with learning control based on u...
- Patent number 11,326,801
- Issue date May 10, 2022
- Daikin Industries, Ltd.
- Shiori Emoto
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Noise suppression system, noise suppression method, and recording m...
- Patent number 10,748,551
- Issue date Aug 18, 2020
- NEC Corporation
- Masanori Tsujikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech processing apparatus, speech processing method, and recordin...
- Patent number 10,347,273
- Issue date Jul 9, 2019
- NEC Corporation
- Shuji Komeiji
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Signal processing apparatus, signal processing method, and signal p...
- Patent number 10,043,532
- Issue date Aug 7, 2018
- NEC Corporation
- Masanori Tsujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speech processing system, vehicle, speech processing unit, steering...
- Patent number 10,026,414
- Issue date Jul 17, 2018
- NEC Corporation
- Masanori Tsujikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speech input apparatus, speech processing method, speech processing...
- Patent number 9,972,336
- Issue date May 15, 2018
- NEC Corporation
- Masanori Tsujikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speech processing system, speech processing method, speech processi...
- Patent number 9,905,243
- Issue date Feb 27, 2018
- NEC Corporation
- Masanori Tsujikawa
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Speech processing apparatus, speech processing method, speech proce...
- Patent number 9,847,091
- Issue date Dec 19, 2017
- NEC Corporation
- Masanori Tsujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise suppression system, method and program
- Patent number 9,613,631
- Issue date Apr 4, 2017
- NEC Corporation
- Takayuki Arakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Noise reduction system, speech detection system, speech recognition...
- Patent number 9,449,616
- Issue date Sep 20, 2016
- NEC Corporation
- Masanori Tsujikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice input/output device, method and programme for preventing howling
- Patent number 9,355,648
- Issue date May 31, 2016
- NEC Corporation
- Masanori Tsujikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for processing multichannel acoustic signal, system therefor...
- Patent number 9,064,499
- Issue date Jun 23, 2015
- NEC Corporation
- Masanori Tsujikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for processing multichannel acoustic signal, system therefor...
- Patent number 9,009,035
- Issue date Apr 14, 2015
- NEC Corporation
- Masanori Tsujikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Method for processing multichannel acoustic signal, system thereof,...
- Patent number 8,954,323
- Issue date Feb 10, 2015
- NEC Corporation
- Masanori Tsujikawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice activity detector, voice activity detection program, and para...
- Patent number 8,938,389
- Issue date Jan 20, 2015
- NEC Corporation
- Takayuki Arakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speech sound detection apparatus
- Patent number 8,856,001
- Issue date Oct 7, 2014
- NEC Corporation
- Tadashi Emori
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Signal correction apparatus equipped with correction function estim...
- Patent number 8,842,843
- Issue date Sep 23, 2014
- NEC Corporation
- Tadashi Emori
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice activity detector, voice activity detection program, and para...
- Patent number 8,812,313
- Issue date Aug 19, 2014
- NEC Corporation
- Takayuki Arakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System, method and program for voice detection
- Patent number 8,694,308
- Issue date Apr 8, 2014
- NEC Corporation
- Takayuki Arakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Voice recognition device, voice recognition method, and voice recog...
- Patent number 8,612,225
- Issue date Dec 17, 2013
- NEC Corporation
- Takayuki Arakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Device, method and program for voice detection and recording medium
- Patent number 8,589,152
- Issue date Nov 19, 2013
- NEC Corporation
- Tadashi Emori
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Gain control system, gain control method, and gain control program
- Patent number 8,401,844
- Issue date Mar 19, 2013
- NEC Corporation
- Takayuki Arakawa
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
System, method, device, and program for removing one or more signal...
- Patent number 7,925,504
- Issue date Apr 12, 2011
- NEC Corporation
- Masanori Tsujikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
MENTAL STATE ESTIMATION DEVICE, MENTAL STATE ESTIMATION METHOD, AND...
- Publication number 20250072799
- Publication date Mar 6, 2025
- NEC CORPORATION
- Terumi UMEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STRESS ESTIMATION DEVICE, STRESS ESTIMATION METHOD, AND STORAGE MEDIUM
- Publication number 20250069372
- Publication date Feb 27, 2025
- NEC Corporation
- Masanori Tsujikawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LEARNING DEVICE, STRESS ESTIMATION DEVICE, LEARNING METHOD, STRESS...
- Publication number 20250068698
- Publication date Feb 27, 2025
- NEC Corporation
- Masanori TSUJIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
STRESS ESTIMATION METHOD
- Publication number 20250037873
- Publication date Jan 30, 2025
- NEC Corporation
- Tasuku KITADE
Information Patent Application
INFORMATION PROCESSING METHOD
- Publication number 20250037863
- Publication date Jan 30, 2025
- NEC Corporation
- Tasuku KITADE
Information Patent Application
CALCULATION METHOD
- Publication number 20250037875
- Publication date Jan 30, 2025
- NEC Corporation
- Tasuku Kitade
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR CALCULATING A DEGREE OF FATIGUE
- Publication number 20240339188
- Publication date Oct 10, 2024
- NEC Corporation
- Jingwen LU
Information Patent Application
FATIGUE ESTIMATION DEVICE, FATIGUE ESTIMATION METHOD, AND STORAGE M...
- Publication number 20240268769
- Publication date Aug 15, 2024
- NEC Corporation
- Jingwen LU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
STRESS RELEASE ACTION DETECTION DEVICE, STRESS RELEASE ACTION DETEC...
- Publication number 20240252084
- Publication date Aug 1, 2024
- NEC Corporation
- Terumi UMEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM
- Publication number 20240252085
- Publication date Aug 1, 2024
- NEC Corporation
- Terumi UMEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
VALUE DETERMINATION DEVICE BASED ON USER MENTAL STATE, VALUE DETERM...
- Publication number 20240242243
- Publication date Jul 18, 2024
- NEC Corporation
- Terumi Umematus
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
LEARNING DEVICE, STRESS ESTIMATION DEVICE, LEARNING METHOD, STRESS...
- Publication number 20240185124
- Publication date Jun 6, 2024
- NEC Corporation
- Masanori TSUJIKAWA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, FEATURE QUANTITY EXTRACTION METHO...
- Publication number 20240186002
- Publication date Jun 6, 2024
- NEC Corporation
- Yoshiki NAKASHIMA
Information Patent Application
STRESS ESTIMATION DEVICE, STRESS ESTIMATION METHOD, AND STORAGE MEDIUM
- Publication number 20240170155
- Publication date May 23, 2024
- NEC Corporation
- Kei SHIBUYA
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...
- Publication number 20240138750
- Publication date May 2, 2024
- NEC Corporation
- Terumi UMEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INFORMATION PROCESSING APPARATUS, FEATURE QUANTITY SELECTION METHOD...
- Publication number 20240104430
- Publication date Mar 28, 2024
- NEC Corporation
- Yoshiki NAKASHIMA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TEST FAMILIAR DETERMINATION DEVICE, TEST FAMILIAR DETERMINATION MET...
- Publication number 20240078923
- Publication date Mar 7, 2024
- NEC Corporation
- Terumi Umematsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TEST FAMILIAR DETERMINATION DEVICE, TEST FAMILIAR DETERMINATION MET...
- Publication number 20240071240
- Publication date Feb 29, 2024
- NEC Corporation
- Terumi Umematsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...
- Publication number 20240065599
- Publication date Feb 29, 2024
- NEC Corporation
- Terumi UMEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
TEST FAMILIAR DETERMINATION DEVICE, TEST FAMILIAR DETERMINATION MET...
- Publication number 20240071241
- Publication date Feb 29, 2024
- NEC Corporation
- Terumi Umematsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
METHOD FOR CALCULATING A DEGREE OF FATIGUE
- Publication number 20240055091
- Publication date Feb 15, 2024
- NEC Corporation
- Jingwen LU
Information Patent Application
COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...
- Publication number 20240032852
- Publication date Feb 1, 2024
- NEC Corporation
- Terumi UMEMATSU
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...
- Publication number 20240032851
- Publication date Feb 1, 2024
- NEC Corporation
- Terumi UMEMATSU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
METHOD FOR CALCULATING A DEGREE OF FATIGUE
- Publication number 20240013877
- Publication date Jan 11, 2024
- NEC Corporation
- Jingwen LU
Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND R...
- Publication number 20230410048
- Publication date Dec 21, 2023
- NEC Corporation
- Kei Shibuya
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DETERMINATION DEVICE, DETERMINATION METHOD AND STORAGE MEDIUM
- Publication number 20230401967
- Publication date Dec 14, 2023
- NEC Corporation
- Terumi Umematsu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
FATIGUE LEVEL ESTIMATION APPARATUS, FATIGUE LEVEL ESTIMATION METHOD...
- Publication number 20230397890
- Publication date Dec 14, 2023
- NEC Corporation
- Jingwen LU
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM
- Publication number 20230386630
- Publication date Nov 30, 2023
- NEC Corporation
- Jingwen LU
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
- Publication number 20230376845
- Publication date Nov 23, 2023
- NEC Corporation
- Keisuke Suzuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM
- Publication number 20230301572
- Publication date Sep 28, 2023
- NEC Corporation
- Masanori Tsujikawa
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Masanori TSUJIKAWA

Person

Patents Grantslast 30 patents

Area-specific environment management system for providing environme...

Alertness estimation apparatus, alertness estimation method, and co...

Information processing device, control method, and storage medium

Drowsiness estimating device, drowsiness estimating method, and dro...

Environmental apparatus controller with learning control based on u...

Noise suppression system, noise suppression method, and recording m...

Speech processing apparatus, speech processing method, and recordin...

Signal processing apparatus, signal processing method, and signal p...

Speech processing system, vehicle, speech processing unit, steering...

Speech input apparatus, speech processing method, speech processing...

Speech processing system, speech processing method, speech processi...

Speech processing apparatus, speech processing method, speech proce...

Noise suppression system, method and program

Noise reduction system, speech detection system, speech recognition...

Voice input/output device, method and programme for preventing howling

Method for processing multichannel acoustic signal, system therefor...

Method for processing multichannel acoustic signal, system therefor...

Method for processing multichannel acoustic signal, system thereof,...

Voice activity detector, voice activity detection program, and para...

Speech sound detection apparatus

Signal correction apparatus equipped with correction function estim...

Voice activity detector, voice activity detection program, and para...

System, method and program for voice detection

Voice recognition device, voice recognition method, and voice recog...

Device, method and program for voice detection and recording medium

Gain control system, gain control method, and gain control program

System, method, device, and program for removing one or more signal...

Patents Applicationslast 30 patents

MENTAL STATE ESTIMATION DEVICE, MENTAL STATE ESTIMATION METHOD, AND...

STRESS ESTIMATION DEVICE, STRESS ESTIMATION METHOD, AND STORAGE MEDIUM

LEARNING DEVICE, STRESS ESTIMATION DEVICE, LEARNING METHOD, STRESS...

STRESS ESTIMATION METHOD

INFORMATION PROCESSING METHOD

CALCULATION METHOD

METHOD FOR CALCULATING A DEGREE OF FATIGUE

FATIGUE ESTIMATION DEVICE, FATIGUE ESTIMATION METHOD, AND STORAGE M...

STRESS RELEASE ACTION DETECTION DEVICE, STRESS RELEASE ACTION DETEC...

INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM

VALUE DETERMINATION DEVICE BASED ON USER MENTAL STATE, VALUE DETERM...

LEARNING DEVICE, STRESS ESTIMATION DEVICE, LEARNING METHOD, STRESS...

INFORMATION PROCESSING APPARATUS, FEATURE QUANTITY EXTRACTION METHO...

STRESS ESTIMATION DEVICE, STRESS ESTIMATION METHOD, AND STORAGE MEDIUM

COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...

INFORMATION PROCESSING APPARATUS, FEATURE QUANTITY SELECTION METHOD...

TEST FAMILIAR DETERMINATION DEVICE, TEST FAMILIAR DETERMINATION MET...

TEST FAMILIAR DETERMINATION DEVICE, TEST FAMILIAR DETERMINATION MET...

COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...

TEST FAMILIAR DETERMINATION DEVICE, TEST FAMILIAR DETERMINATION MET...

METHOD FOR CALCULATING A DEGREE OF FATIGUE

COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...

COGNITIVE FUNCTION ESTIMATION DEVICE, COGNITIVE FUNCTION ESTIMATION...

METHOD FOR CALCULATING A DEGREE OF FATIGUE

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND R...

DETERMINATION DEVICE, DETERMINATION METHOD AND STORAGE MEDIUM

FATIGUE LEVEL ESTIMATION APPARATUS, FATIGUE LEVEL ESTIMATION METHOD...

INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM

INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...

INFORMATION PROCESSING DEVICE, CONTROL METHOD, AND STORAGE MEDIUM