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Kazuaki Nishimura
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Kadoma-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Diaphragm for speaker, speaker using the diaphragm, and system usin...
Patent number
8,406,452
Issue date
Mar 26, 2013
Panasonic Corporation
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diaphragm for speaker, speaker using the diaphragm, electronic devi...
Patent number
8,340,342
Issue date
Dec 25, 2012
Panasonic Corporation
Yohei Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diaphragm for speaker, frame for speaker, dust cap for speaker, spe...
Patent number
8,235,168
Issue date
Aug 7, 2012
Panasonic Corporation
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diaphragm for speaker, frame for speaker, dust cap for speaker, spe...
Patent number
8,230,966
Issue date
Jul 31, 2012
Panasonic Corporation
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diaphragm for speaker, frame for speaker, dust cap for speaker, spe...
Patent number
8,177,021
Issue date
May 15, 2012
Panasonic Corporation
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Diaphragm for speaker, frame for speaker, dust cap for speaker, spe...
Patent number
8,122,996
Issue date
Feb 28, 2012
Panasonic Corporation
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electromagnet driving apparatus and electromagnetic relay
Patent number
6,608,539
Issue date
Aug 19, 2003
Matsushita Electric Works, Ltd.
Kazuhiro Nobutoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electromagnetic relay
Patent number
6,014,068
Issue date
Jan 11, 2000
Matsushita Electric Works, Ltd.
Kazuhiro Nobutoki
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
DIAPHRAGM FOR SPEAKER, FRAME FOR SPEAKER, DUST CAP FOR SPEAKER, SPE...
Publication number
20120114165
Publication date
May 10, 2012
PANASONIC CORPORATION
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIAPHRAGM FOR SPEAKER, FRAME FOR SPEAKER, DUST CAP FOR SPEAKER, SPE...
Publication number
20120112382
Publication date
May 10, 2012
PANASONIC CORPORATION
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIAPHRAGM FOR SPEAKER, FRAME FOR SPEAKER, DUST CAP FOR SPEAKER, SPE...
Publication number
20120114149
Publication date
May 10, 2012
PANASONIC CORPORATION
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIAPHRAGM FOR SPEAKER, SPEAKER USING THE DIAPHRAGM, ELECTRONIC DEVI...
Publication number
20110164764
Publication date
Jul 7, 2011
PANASONIC CORPORATION
Yohei Jin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIAPHRAGM FOR SPEAKER, SPEAKER USING THE DIAPHRAGM, AND SYSTEM USIN...
Publication number
20100172533
Publication date
Jul 8, 2010
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DIAPHRAGM FOR SPEAKER, FRAME FOR SPEAKER, DUST CAP FOR SPEAKER, SPE...
Publication number
20100059309
Publication date
Mar 11, 2010
PANASONIC CORPORATION
Yoshimichi Kajihara
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker, speaker-use diaphragm, dust cap, production methods and pr...
Publication number
20070131478
Publication date
Jun 14, 2007
Masatoshi Okazaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electromagnet driving apparatus and electromagnetic relay
Publication number
20010028291
Publication date
Oct 11, 2001
MATSUSHITA ELECTRIC WORKS,LTD.
Kazuhiro Nobutoki
H01 - BASIC ELECTRIC ELEMENTS