Akihisa Kawamura

Person

Hirakata-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Loudspeaker device
- Patent number 12,156,004
- Issue date Nov 26, 2024
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Nobuhiko Washio
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Direction of arrival estimation device, system, and direction of ar...
- Patent number 11,994,605
- Issue date May 28, 2024
- Panasonic Intellectual Property Corporation of America
- Rohith Mars
- G01 - MEASURING TESTING
Information Patent Grant
Acoustic object extraction device and acoustic object extraction me...
- Patent number 11,488,573
- Issue date Nov 1, 2022
- Panasonic Intellectual Property Corporation of America
- Rohith Mars
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Coding apparatus and coding method
- Patent number 10,777,209
- Issue date Sep 15, 2020
- Panasonic Intellectual Property Corporation of America
- Hiroyuki Ehara
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Speaker device
- Patent number 10,491,984
- Issue date Nov 26, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Kazuki Honda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Speaker device
- Patent number 10,462,553
- Issue date Oct 29, 2019
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Toshiyuki Matsumura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing method and speaker system
- Patent number 9,820,047
- Issue date Nov 14, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Akihisa Kawamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Speaker device
- Patent number 9,774,935
- Issue date Sep 26, 2017
- PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
- Toshiyuki Matsumura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing device
- Patent number 8,284,961
- Issue date Oct 9, 2012
- Panasonic Corporation
- Shuji Miyasaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Multi-channel acoustic signal processing device
- Patent number 8,184,817
- Issue date May 22, 2012
- Panasonic Corporation
- Yoshiaki Takagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio signal coding method and decoding method
- Patent number 8,160,890
- Issue date Apr 17, 2012
- Panasonic Corporation
- Mineo Tsushima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio decoder
- Patent number 8,081,764
- Issue date Dec 20, 2011
- Panasonic Corporation
- Yosiaki Takagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Acoustic signal processing apparatus and acoustic signal processing...
- Patent number 8,073,703
- Issue date Dec 6, 2011
- Panasonic Corporation
- Shuji Miyasaka
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Energy shaping apparatus and energy shaping method
- Patent number 8,019,614
- Issue date Sep 13, 2011
- Panasonic Corporation
- Yoshiaki Takagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Receiving apparatus, sending apparatus and transmission system
- Patent number 7,917,237
- Issue date Mar 29, 2011
- Panasonic Corporation
- Akihisa Kawamura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Stream reproduction device and stream supply device
- Patent number 7,844,355
- Issue date Nov 30, 2010
- Panasonic Corporation
- Hiroshi Yahata
- G11 - INFORMATION STORAGE
Information Patent Grant
Transmission method, transmission system, sending device and recept...
- Patent number 7,714,934
- Issue date May 11, 2010
- Sony Corporation
- Naoki Ejima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Distribution system
- Patent number 7,509,179
- Issue date Mar 24, 2009
- Panasonic Corporation
- Masaharu Matsumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmitting method, data receiving method, data transmitting...
- Patent number 7,394,499
- Issue date Jul 1, 2008
- Matsushita Electric Industrial Co., Ltd.
- Hiroshige Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing apparatus, signal processing method, program and...
- Patent number 7,236,838
- Issue date Jun 26, 2007
- Matsushita Electric Industrial Co., Ltd.
- Takashi Katayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Data transmission method, data receiving method, video data transmi...
- Patent number 7,230,650
- Issue date Jun 12, 2007
- Sony Corporation
- Hiroshige Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Error correction encoding and decoding methods and apparatuses for...
- Patent number 7,225,388
- Issue date May 29, 2007
- Matsushita Electric Industrial Co., Ltd.
- Naoki Ejima
- G11 - INFORMATION STORAGE
Information Patent Grant
Error correction encoding and decoding methods and apparatuses for...
- Patent number 7,188,298
- Issue date Mar 6, 2007
- Matsushita Electric Industrial Co., Ltd.
- Naoki Ejima
- G11 - INFORMATION STORAGE
Information Patent Grant
Transmission method of digital audio data with video data
- Patent number 7,129,991
- Issue date Oct 31, 2006
- Sony Corporation
- Naoki Ejima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Coding device, coding method, program and recording medium
- Patent number 7,106,943
- Issue date Sep 12, 2006
- Matsushita Electric Industrial Co., Ltd.
- Takashi Katayama
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Compressed code decoding device and audio decoding device
- Patent number 7,069,223
- Issue date Jun 27, 2006
- Matsushita Electric Industrial Co., Ltd.
- Masaharu Matsumoto
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Receiver for receiving audio data and audio-related information
- Patent number 7,069,224
- Issue date Jun 27, 2006
- Matsushita Electric Industrial Co., Ltd.
- Akihisa Kawamura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Reproduction apparatus and music delivery system
- Patent number 7,050,870
- Issue date May 23, 2006
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Sueyoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Grant
Audio information provision system
- Patent number 6,938,209
- Issue date Aug 30, 2005
- Matsushita Electric Industrial Co., Ltd.
- Michiko Ogawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Digital interface device
- Patent number 6,931,371
- Issue date Aug 16, 2005
- Matsushita Electric Industrial Co., Ltd.
- Masahiro Sueyoshi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
ACOUSTIC DEVICE
- Publication number 20240147154
- Publication date May 2, 2024
- Panasonic Intellectual Property Corporation of America
- Akihisa KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER DEVICE
- Publication number 20230412971
- Publication date Dec 21, 2023
- Panasonic Intellectual Property Corporation of America
- Akihisa KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO DEVICE
- Publication number 20230269527
- Publication date Aug 24, 2023
- Panasonic Intellectual Property Corporation of America
- Akihisa KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LOUDSPEAKER DEVICE
- Publication number 20230199390
- Publication date Jun 22, 2023
- Panasonic Intellectual Property Management Co., Ltd.
- Nobuhiko WASHIO
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
BUILDING MATERIAL
- Publication number 20220248114
- Publication date Aug 4, 2022
- Panasonic Intellectual Property Management Co., Ltd.
- Akihisa KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DIRECTION OF ARRIVAL ESTIMATION DEVICE, SYSTEM, AND DIRECTION OF AR...
- Publication number 20220120839
- Publication date Apr 21, 2022
- Panasonic Intellectual Property Corporation of America
- Rohith MARS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ACOUSTIC OBJECT EXTRACTION DEVICE AND ACOUSTIC OBJECT EXTRACTION ME...
- Publication number 20210183356
- Publication date Jun 17, 2021
- Panasonic Intellectual Property Corporation of America
- Rohith MARS
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
CODING APPARATUS AND CODING METHOD
- Publication number 20200294512
- Publication date Sep 17, 2020
- Panasonic Intellectual Property Corporation of America
- HIROYUKI EHARA
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
SPEAKER DEVICE
- Publication number 20180279039
- Publication date Sep 27, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- TOSHIYUKI MATSUMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20180249243
- Publication date Aug 30, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- KAZUKI HONDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20180242061
- Publication date Aug 23, 2018
- Panasonic Intellectual Property Management Co., Ltd.
- KAZUKI HONDA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING METHOD AND SPEAKER SYSTEM
- Publication number 20170064448
- Publication date Mar 2, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- AKIHISA KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SPEAKER DEVICE
- Publication number 20170064421
- Publication date Mar 2, 2017
- Panasonic Intellectual Property Management Co., Ltd.
- TOSHIYUKI MATSUMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
STREAM REPRODUCTION DEVICE AND STREAM SUPPLY DEVICE
- Publication number 20100292820
- Publication date Nov 18, 2010
- PANASONIC CORPORATION
- HIROSHI YAHATA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUDIO DECODER
- Publication number 20100235171
- Publication date Sep 16, 2010
- Yosiaki Takagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
AUDIO SIGNAL CODING METHOD AND DECODING METHOD
- Publication number 20100042415
- Publication date Feb 18, 2010
- Mineo Tsushima
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
MULTI-CHANNEL ACOUSTIC SIGNAL PROCESSING DEVICE
- Publication number 20090262949
- Publication date Oct 22, 2009
- Yoshiaki Takagi
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
ACOUSTIC SIGNAL PROCESSING APPARATUS AND ACOUSTIC SIGNAL PROCESSING...
- Publication number 20090240503
- Publication date Sep 24, 2009
- Shuji Miyasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ENERGY SHAPING APPARATUS AND ENERGY SHAPING METHOD
- Publication number 20090234657
- Publication date Sep 17, 2009
- Yoshiaki Takagi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING DEVICE
- Publication number 20090122182
- Publication date May 14, 2009
- Shuji Miyasaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Stream Reproduction Device and Stream Supply Device
- Publication number 20070225840
- Publication date Sep 27, 2007
- Hiroshi Yahata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Receiving apparatus, sending apparatus and transmission system
- Publication number 20060288851
- Publication date Dec 28, 2006
- Akihisa Kawamura
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Transmission method, transmission system, sending device and recept...
- Publication number 20060285012
- Publication date Dec 21, 2006
- SONY CORPORATION
- Naoki Ejima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Error-correction coding method, error-correction decoding method, e...
- Publication number 20060107183
- Publication date May 18, 2006
- Naoki Ejima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Error correction encoding method, error correction decoding method,...
- Publication number 20040153933
- Publication date Aug 5, 2004
- Naoki Ejima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transmitting method, data receiving method, data transmitting...
- Publication number 20040095509
- Publication date May 20, 2004
- Hiroshige Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and Method for Audio Data/Audio-Related Information Transfer
- Publication number 20030171935
- Publication date Sep 11, 2003
- Matsushita Electric Industrial Co., Ltd.
- Akihisa KAWAMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Transmission method, transmission system, sending device and recept...
- Publication number 20030169370
- Publication date Sep 11, 2003
- Naoki Ejima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Data transmitting method and receiving method, and video data trans...
- Publication number 20030147005
- Publication date Aug 7, 2003
- Hiroshige Okamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of transmitting data among a plurality of LSIs, and recordin...
- Publication number 20030014565
- Publication date Jan 16, 2003
- Akihisa Kawamura
- G11 - INFORMATION STORAGE

Akihisa Kawamura

Person

Patents Grantslast 30 patents

Loudspeaker device

Direction of arrival estimation device, system, and direction of ar...

Acoustic object extraction device and acoustic object extraction me...

Coding apparatus and coding method

Speaker device

Speaker device

Signal processing method and speaker system

Speaker device

Signal processing device

Multi-channel acoustic signal processing device

Audio signal coding method and decoding method

Audio decoder

Acoustic signal processing apparatus and acoustic signal processing...

Energy shaping apparatus and energy shaping method

Receiving apparatus, sending apparatus and transmission system

Stream reproduction device and stream supply device

Transmission method, transmission system, sending device and recept...

Distribution system

Data transmitting method, data receiving method, data transmitting...

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

Data transmission method, data receiving method, video data transmi...

Error correction encoding and decoding methods and apparatuses for...

Error correction encoding and decoding methods and apparatuses for...

Transmission method of digital audio data with video data

Coding device, coding method, program and recording medium

Compressed code decoding device and audio decoding device

Receiver for receiving audio data and audio-related information

Reproduction apparatus and music delivery system

Audio information provision system

Digital interface device

Patents Applicationslast 30 patents

ACOUSTIC DEVICE

LOUDSPEAKER DEVICE

AUDIO DEVICE

LOUDSPEAKER DEVICE

BUILDING MATERIAL

DIRECTION OF ARRIVAL ESTIMATION DEVICE, SYSTEM, AND DIRECTION OF AR...

ACOUSTIC OBJECT EXTRACTION DEVICE AND ACOUSTIC OBJECT EXTRACTION ME...

CODING APPARATUS AND CODING METHOD

SPEAKER DEVICE

SPEAKER DEVICE

SPEAKER DEVICE

SIGNAL PROCESSING METHOD AND SPEAKER SYSTEM

SPEAKER DEVICE

STREAM REPRODUCTION DEVICE AND STREAM SUPPLY DEVICE

AUDIO DECODER

AUDIO SIGNAL CODING METHOD AND DECODING METHOD

MULTI-CHANNEL ACOUSTIC SIGNAL PROCESSING DEVICE

ACOUSTIC SIGNAL PROCESSING APPARATUS AND ACOUSTIC SIGNAL PROCESSING...

ENERGY SHAPING APPARATUS AND ENERGY SHAPING METHOD

SIGNAL PROCESSING DEVICE

Stream Reproduction Device and Stream Supply Device

Receiving apparatus, sending apparatus and transmission system

Transmission method, transmission system, sending device and recept...

Error-correction coding method, error-correction decoding method, e...

Error correction encoding method, error correction decoding method,...

Data transmitting method, data receiving method, data transmitting...

Apparatus and Method for Audio Data/Audio-Related Information Transfer

Transmission method, transmission system, sending device and recept...

Data transmitting method and receiving method, and video data trans...

Method of transmitting data among a plurality of LSIs, and recordin...