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Yoshiyuki Takahashi
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Matsuzaka City, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Oscillatory component for loudspeakers, loudspeaker comprising same...
Patent number
10,708,693
Issue date
Jul 7, 2020
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Tomonori Shibuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker diaphragm, method of manufacturing same, and loudspeake...
Patent number
10,645,509
Issue date
May 5, 2020
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Tetsushi Itano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loudspeaker diaphragm, and loudspeaker, electronic device and mobil...
Patent number
9,781,515
Issue date
Oct 3, 2017
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Tomonori Shibuya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker diaphragm edge and its manufacturing method
Patent number
6,988,584
Issue date
Jan 24, 2006
Matsushita Electric Industrial Co., Ltd.
Yoshiyuki Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Loud speaker, diaphragm and process for making the diaphragm
Patent number
6,757,404
Issue date
Jun 29, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroyuki Takewa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speaker edge, method of foam-molding the same, apparatus for foam-m...
Patent number
6,680,430
Issue date
Jan 20, 2004
Matsushita Electric Industrial Co., Ltd.
Shinya Tabata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
OSCILLATORY COMPONENT FOR LOUDSPEAKERS, LOUDSPEAKER COMPRISING SAME...
Publication number
20190297423
Publication date
Sep 26, 2019
Panasonic Intellectual Property Management Co., Ltd.
TOMONORI SHIBUYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOUDSPEAKER DIAPHRAGM, METHOD OF MANUFACTURING SAME, AND LOUDSPEAKE...
Publication number
20190166445
Publication date
May 30, 2019
Panasonic Intellectual Property Management Co., Ltd.
TETSUSHI ITANO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOUDSPEAKER DIAPHRAGM, AND LOUDSPEAKER, ELECTRONIC DEVICE AND MOBIL...
Publication number
20160212540
Publication date
Jul 21, 2016
TOMONORI SHIBUYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LOUDSPEAKER-PURPOSE VIBRATION PLATE, LOUDSPEAKER USING THAT VIBRATI...
Publication number
20160134972
Publication date
May 12, 2016
Panasonic Intellectual Property Management Co., Ltd.
TOMONORI SHIBUYA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
SPEAKER DIAPHRAGM, SPEAKER DUST CAP, SPEAKER SUB-CONE, SPEAKER USIN...
Publication number
20090080687
Publication date
Mar 26, 2009
Matsushita Electric Industrial Co., Ltd.
Kazuyoshi Mimura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Ink for screen printing, method for producing same, and method for...
Publication number
20070148353
Publication date
Jun 28, 2007
Shinya Mizone
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Elastic strip material and process and apparatus for producing the...
Publication number
20070116924
Publication date
May 24, 2007
Shinya Mizone
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Speaker diaphragm edge and its manufacturing method
Publication number
20040026164
Publication date
Feb 12, 2004
Yoshiyuki Takahashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Speaker edge, method of foam-molding the same,apparatus for foam-mo...
Publication number
20030106740
Publication date
Jun 12, 2003
Shinya Tabata
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Loud speaker, diaphragm and process for making the diaphragm
Publication number
20020061117
Publication date
May 23, 2002
Hiroyuki Takewa
H04 - ELECTRIC COMMUNICATION TECHNIQUE