Hitoshi Yamamoto

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Speech processing device, speech processing method, and non-transit...
- Patent number 12,094,450
- Issue date Sep 17, 2024
- NEC Corporation
- Ling Guo
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio processing apparatus, audio processing method, and computer-r...
- Patent number 12,051,424
- Issue date Jul 30, 2024
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Authentication device and authentication method
- Patent number 11,928,198
- Issue date Mar 12, 2024
- NEC Corporation
- Koji Okabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Signal extraction system, signal extraction learning method, and si...
- Patent number 11,900,949
- Issue date Feb 13, 2024
- NEC Corporation
- Takafumi Koshinaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speaker recognition based on signal segments weighted by quality
- Patent number 11,837,236
- Issue date Dec 5, 2023
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
In-vehicle device, information processing method, and computer read...
- Patent number 11,521,437
- Issue date Dec 6, 2022
- Mitsubishi Electric Corporation
- Toshikazu Kato
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Information processing apparatus, control method, and program
- Patent number 11,437,044
- Issue date Sep 6, 2022
- NEC Corporation
- Ling Guo
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Interrupt control apparatus, interrupt control method, and computer...
- Patent number 11,256,537
- Issue date Feb 22, 2022
- Mitsubishi Electric Corporation
- Jun Yabuki
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speaker recognition based on signal segments weighted by quality
- Patent number 11,250,860
- Issue date Feb 15, 2022
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Authentication device and authentication method
- Patent number 11,074,329
- Issue date Jul 27, 2021
- NEC Corporation
- Koji Okabe
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Speech processing apparatus, speech processing method and computer-...
- Patent number 10,490,194
- Issue date Nov 26, 2019
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Image forming apparatus
- Patent number 9,684,259
- Issue date Jun 20, 2017
- Ricoh Company, Ltd.
- Takatsugu Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,599,946
- Issue date Mar 21, 2017
- Ricoh Company, Ltd.
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,588,460
- Issue date Mar 7, 2017
- Ricoh Company, Ltd.
- Tadashi Kasai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Protective layer forming device and image forming apparatus
- Patent number 9,513,594
- Issue date Dec 6, 2016
- Ricoh Company, Ltd.
- Kunio Hasegawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,488,931
- Issue date Nov 8, 2016
- Ricoh Company, Ltd.
- Makoto Yasuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,316,987
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Jun Hitosugi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and cleaning of image forming apparatus
- Patent number 9,310,743
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Emiko Shiraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,280,125
- Issue date Mar 8, 2016
- Ricoh Company, Ltd.
- Wakana Itoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,239,542
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Tadashi Kasai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which includes a colorless toner image form...
- Patent number 9,128,428
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Mutsuki Morinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Language model creation device
- Patent number 9,043,209
- Issue date May 26, 2015
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multiprocessor for providing timers associated with each of process...
- Patent number 9,009,513
- Issue date Apr 14, 2015
- Renesas Electronics Corporation
- Hitoshi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Learning a verification model for speech recognition based on extra...
- Patent number 8,751,226
- Issue date Jun 10, 2014
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Word category estimation apparatus, word category estimation method...
- Patent number 8,583,436
- Issue date Nov 12, 2013
- NEC Corporation
- Hitoshi Yamamoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Control program download device
- Patent number 7,984,239
- Issue date Jul 19, 2011
- Ricoh Company, Ltd.
- Hitoshi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Card recognition system for recognizing standard card and non-stand...
- Patent number 7,712,659
- Issue date May 11, 2010
- Ricoh Company, Ltd.
- Hitoshi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
FIFO device
- Patent number 7,606,941
- Issue date Oct 20, 2009
- Ricoh Company, Ltd.
- Hitoshi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for controlling connections of PC cards and a...
- Patent number 7,519,756
- Issue date Apr 14, 2009
- Ricoh Company, Ltd.
- Hitoshi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
PC card control device, computer system using the PC card control d...
- Patent number 7,457,942
- Issue date Nov 25, 2008
- Ricoh Company, Ltd.
- Hitoshi Yamamoto
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
COMPUTER, CONTROL METHOD, AND COMPUTER READABLE MEDIUM
- Publication number 20240320031
- Publication date Sep 26, 2024
- Mitsubishi Electric Corporation
- Toshikazu KATO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AN...
- Publication number 20240160690
- Publication date May 16, 2024
- NEC Corportion
- Yoshitaka ITO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SPEECH RECOGNITION APPARATUS, SPEECH RECOGNITION METHOD, LEARNING A...
- Publication number 20240144915
- Publication date May 2, 2024
- NEC Corporation
- Koji OKABE
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VOICE PROCESSING DEVICE, VOICE PROCESSING METHOD, RECORDING MEDIUM,...
- Publication number 20230326465
- Publication date Oct 12, 2023
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO PROCESSING DEVICE, AUDIO PROCESSING METHOD, RECORDING MEDIUM,...
- Publication number 20230317085
- Publication date Oct 5, 2023
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230280678
- Publication date Sep 7, 2023
- RICOH COMPANY, LTD.
- Hitoshi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SPEECH RECOGNITION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY ST...
- Publication number 20230109867
- Publication date Apr 13, 2023
- NEC Corporation
- Shuji KOMEIJI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
UTTERANCE END DETECTION APPARATUS, CONTROL METHOD, AND NON-TRANSITO...
- Publication number 20230082325
- Publication date Mar 16, 2023
- NEC Corporation
- Shuji KOMEIJI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SPEECH RECOGNITION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY ST...
- Publication number 20230076709
- Publication date Mar 9, 2023
- NEC Corporation
- Shuji KOMEIJI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEECH RECOGNITION APPARATUS, ACOUSTIC MODEL LEARNING APPARATUS, SP...
- Publication number 20230064137
- Publication date Mar 2, 2023
- NEC Corporation
- Shuji KOMEIJI
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEECH RECOGNITION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY ST...
- Publication number 20230046763
- Publication date Feb 16, 2023
- NEC Corporation
- Shuji Komeiji
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SIGNAL EXTRACTION SYSTEM, SIGNAL EXTRACTION LEARNING METHOD, AND SI...
- Publication number 20220238119
- Publication date Jul 28, 2022
- NEC Corporation
- Takafumi KOSHINAKA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD, AND NON-TRANSIT...
- Publication number 20220238097
- Publication date Jul 28, 2022
- NEC Corporation
- Ling GUO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEAKER RECOGNITION BASED ON SIGNAL SEGMENTS WEIGHTED BY QUALITY
- Publication number 20220101859
- Publication date Mar 31, 2022
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO PROCESSING APPARATUS, AUDIO PROCESSING METHOD, AND COMPUTER-R...
- Publication number 20220005482
- Publication date Jan 6, 2022
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
VOICE PROCESSING DEVICE, VOICE PROCESSING METHOD, AND PROGRAM RECOR...
- Publication number 20210327435
- Publication date Oct 21, 2021
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUTHENTICATION DEVICE AND AUTHENTICATION METHOD
- Publication number 20210319087
- Publication date Oct 14, 2021
- NEC Corporation
- Koji OKABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INFORMATION PROCESSING APPARATUS, CONTROL METHOD, AND PROGRAM
- Publication number 20210287682
- Publication date Sep 16, 2021
- NEC Corporation
- Ling GUO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ATTRIBUTE IDENTIFYING DEVICE, ATTRIBUTE IDENTIFYING METHOD, AND PRO...
- Publication number 20210264939
- Publication date Aug 26, 2021
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD AND SPEECH PROCE...
- Publication number 20210134300
- Publication date May 6, 2021
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUTHENTICATION DEVICE AND AUTHENTICATION METHOD
- Publication number 20210133302
- Publication date May 6, 2021
- NEC Corporation
- Koji OKABE
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERRUPT CONTROL APPARATUS, INTERRUPT CONTROL METHOD, AND COMPUTER...
- Publication number 20210096906
- Publication date Apr 1, 2021
- Mitsubishi Electric Corporation
- Jun YABUKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IN-VEHICLE DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER READ...
- Publication number 20200342697
- Publication date Oct 29, 2020
- Mitsubishi Electric Corporation
- Toshikazu KATO
- B60 - VEHICLES IN GENERAL
Information Patent Application
SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD, AND RECORDING M...
- Publication number 20190279644
- Publication date Sep 12, 2019
- NEC Corporation
- Hitoshi YAMAMOTO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
PATTERN RECOGNITION APPARATUS, METHOD AND MEDIUM
- Publication number 20190244064
- Publication date Aug 8, 2019
- NEC Corporation
- Shivangi MAHTO
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170315471
- Publication date Nov 2, 2017
- Kazuaki KAMIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20170199480
- Publication date Jul 13, 2017
- Mutsuki MORINAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160313668
- Publication date Oct 27, 2016
- Tadashi KASAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160170321
- Publication date Jun 16, 2016
- Takatsugu Komori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160147174
- Publication date May 26, 2016
- Makoto YASUDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hitoshi Yamamoto

Person

Patents Grantslast 30 patents

Speech processing device, speech processing method, and non-transit...

Audio processing apparatus, audio processing method, and computer-r...

Authentication device and authentication method

Signal extraction system, signal extraction learning method, and si...

Speaker recognition based on signal segments weighted by quality

In-vehicle device, information processing method, and computer read...

Information processing apparatus, control method, and program

Interrupt control apparatus, interrupt control method, and computer...

Speaker recognition based on signal segments weighted by quality

Authentication device and authentication method

Speech processing apparatus, speech processing method and computer-...

Image forming apparatus

Image forming apparatus

Image forming apparatus

Protective layer forming device and image forming apparatus

Image forming apparatus

Image forming apparatus and image forming method

Image forming apparatus and cleaning of image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus which includes a colorless toner image form...

Language model creation device

Multiprocessor for providing timers associated with each of process...

Learning a verification model for speech recognition based on extra...

Word category estimation apparatus, word category estimation method...

Control program download device

Card recognition system for recognizing standard card and non-stand...

FIFO device

Method and apparatus for controlling connections of PC cards and a...

PC card control device, computer system using the PC card control d...

Patents Applicationslast 30 patents

COMPUTER, CONTROL METHOD, AND COMPUTER READABLE MEDIUM

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

SPEECH RECOGNITION APPARATUS, SPEECH RECOGNITION METHOD, LEARNING A...

VOICE PROCESSING DEVICE, VOICE PROCESSING METHOD, RECORDING MEDIUM,...

AUDIO PROCESSING DEVICE, AUDIO PROCESSING METHOD, RECORDING MEDIUM,...

IMAGE FORMING APPARATUS

SPEECH RECOGNITION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY ST...

UTTERANCE END DETECTION APPARATUS, CONTROL METHOD, AND NON-TRANSITO...

SPEECH RECOGNITION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY ST...

SPEECH RECOGNITION APPARATUS, ACOUSTIC MODEL LEARNING APPARATUS, SP...

SPEECH RECOGNITION APPARATUS, CONTROL METHOD, AND NON-TRANSITORY ST...

SIGNAL EXTRACTION SYSTEM, SIGNAL EXTRACTION LEARNING METHOD, AND SI...

SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD, AND NON-TRANSIT...

SPEAKER RECOGNITION BASED ON SIGNAL SEGMENTS WEIGHTED BY QUALITY

AUDIO PROCESSING APPARATUS, AUDIO PROCESSING METHOD, AND COMPUTER-R...

VOICE PROCESSING DEVICE, VOICE PROCESSING METHOD, AND PROGRAM RECOR...

AUTHENTICATION DEVICE AND AUTHENTICATION METHOD

INFORMATION PROCESSING APPARATUS, CONTROL METHOD, AND PROGRAM

ATTRIBUTE IDENTIFYING DEVICE, ATTRIBUTE IDENTIFYING METHOD, AND PRO...

SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD AND SPEECH PROCE...

AUTHENTICATION DEVICE AND AUTHENTICATION METHOD

INTERRUPT CONTROL APPARATUS, INTERRUPT CONTROL METHOD, AND COMPUTER...

IN-VEHICLE DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER READ...

SPEECH PROCESSING DEVICE, SPEECH PROCESSING METHOD, AND RECORDING M...

PATTERN RECOGNITION APPARATUS, METHOD AND MEDIUM

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS