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Satoshi Itoh
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Kadoma, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Speaker, speaker device using the same and electronic apparatus and...
Patent number
8,553,924
Issue date
Oct 8, 2013
Panasonic Corporation
Masahide Sumiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loud speaker manufacturing method
Patent number
8,516,681
Issue date
Aug 27, 2013
Panasonic Corporation
Mitsukazu Kuze
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker and electronic apparatus and device using the same
Patent number
8,335,338
Issue date
Dec 18, 2012
Panasonic Corporation
Kouzi Sano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker
Patent number
8,180,096
Issue date
May 15, 2012
Panasonic Corporation
Koji Sano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker, loudspeaker module, and electronic equipment using the...
Patent number
7,502,485
Issue date
Mar 10, 2009
Panasonic Corporation
Tetsuya Mouri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Flat panel speaker system with a coated diaphragm
Patent number
7,460,679
Issue date
Dec 2, 2008
Panasonic Corporation
Satoshi Itoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker
Patent number
D577712
Issue date
Sep 30, 2008
Matsushita Electric Industrial Co., Ltd.
Satoshi Itoh
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Speaker module and apparatus using this
Patent number
7,218,743
Issue date
May 15, 2007
Matsushita Electric Industrial Co., Ltd.
Masahide Sumiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
ELECTROACOUSTIC CONVERSION DEVICE
Publication number
20230129491
Publication date
Apr 27, 2023
Panasonic Intellectual Property Management Co., Ltd.
Satoshi ITOH
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER, AND ELECTRONIC APPARATUS AND CELLULAR PHONE USING THE SPEAKER
Publication number
20120213398
Publication date
Aug 23, 2012
PANASONIC CORPORATION
Satoshi Itoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER AND ELECTRONIC APPARATUS AND DEVICE USING THE SAME
Publication number
20120114166
Publication date
May 10, 2012
PANASONIC CORPORATION
Kouzi Sano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOUD SPEAKER, LOUD SPEAKER MANUFACTURING METHOD, AND LOUD SPEAKER M...
Publication number
20110135138
Publication date
Jun 9, 2011
PANASONIC CORPORATION
Mitsukazu Kuze
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER, SPEAKER DEVICE USING THE SAME AND ELECTRONIC APPARATUS AND...
Publication number
20100150389
Publication date
Jun 17, 2010
Matsushita Electric Industrial Co., Ltd.
Masahide Sumiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOUDSPEAKER
Publication number
20100128917
Publication date
May 27, 2010
Matsushita Electric Industrial Co., Ltd.
Koji Sano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER AND ELECTRONIC APPARATUS AND DEVICE USING THE SAME
Publication number
20090060254
Publication date
Mar 5, 2009
Matsushita Electric Industrial Co., Ltd.
Kouzi Sano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker, speaker module, and electronic equipment using the speaker...
Publication number
20060239478
Publication date
Oct 26, 2006
Tetsuya Mouri
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker, speaker module and electronic apparatus using this
Publication number
20060042870
Publication date
Mar 2, 2006
Matsushita Electric Industrial Co., Ltd.
Satoshi Itoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker module and appratus using this
Publication number
20050271232
Publication date
Dec 8, 2005
Masahide Sumiyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE