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Takefumi Ura
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Howling detection device, howling suppressing device and method of...
Patent number
9,154,874
Issue date
Oct 6, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Howling suppression device, hearing aid, howling suppression method...
Patent number
9,123,322
Issue date
Sep 1, 2015
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
Mariko Kojima
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Hearing aid
Patent number
8,731,221
Issue date
May 20, 2014
Panasonic Corporation
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Howling suppression device, hearing aid, howling suppression method...
Patent number
8,675,901
Issue date
Mar 18, 2014
Panasonic Corporation
Mariko Kojima
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Howling suppression device, howling suppression method, program, an...
Patent number
8,477,956
Issue date
Jul 2, 2013
Panasonic Corporation
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Howling control apparatus and acoustic apparatus
Patent number
8,144,895
Issue date
Mar 27, 2012
Panasonic Corporation
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Howling detection method, device, and acoustic device using the same
Patent number
7,796,767
Issue date
Sep 14, 2010
Panasonic Corporation
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Howling detecting and suppressing apparatus, method and computer pr...
Patent number
7,133,529
Issue date
Nov 7, 2006
Matsushita Electric Industrial Co., Ltd.
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voice switching system and voice switching method
Patent number
6,816,591
Issue date
Nov 9, 2004
Matsushita Electric Industrial Co., Ltd.
Yasuhiro Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Microphone-speaker apparatus
Patent number
6,674,863
Issue date
Jan 6, 2004
Matsushita Electric Industrial Co., Ltd.
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
HOWLING SUPPRESSION DEVICE, HEARING AID, HOWLING SUPPRESSION METHOD...
Publication number
20130272533
Publication date
Oct 17, 2013
Mariko Kojima
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
HOWLING SUPPRESSION DEVICE, HEARING AID, HOWLING SUPPRESSION METHOD...
Publication number
20130259277
Publication date
Oct 3, 2013
Mariko Kojima
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
HOWLING DETECTION DEVICE, HOWLING SUPPRESSING DEVICE AND METHOD OF...
Publication number
20130156205
Publication date
Jun 20, 2013
PANASONIC CORPORATION
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HEARING AID
Publication number
20110135128
Publication date
Jun 9, 2011
PANASONIC CORPORATION
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HOWLING SUPPRESSION DEVICE, HOWLING SUPPRESSION METHOD, PROGRAM, AN...
Publication number
20100329474
Publication date
Dec 30, 2010
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ECHO SUPPRESSOR
Publication number
20090169027
Publication date
Jul 2, 2009
PANASONIC CORPORATION
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HOWLING CONTROL APPARATUS AND ACOUSTIC APPARATUS
Publication number
20090080674
Publication date
Mar 26, 2009
Matsushita Electric Industrial Co., Ltd.
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Howling Detection Method, Device, And Acoustic Device Using The Same
Publication number
20070280487
Publication date
Dec 6, 2007
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Microphone-speaker apparatus
Publication number
20030169892
Publication date
Sep 11, 2003
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Howling detecting and suppressing apparatus, method and computer pr...
Publication number
20030012388
Publication date
Jan 16, 2003
Takefumi Ura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voice switching system and voice switching method
Publication number
20020021798
Publication date
Feb 21, 2002
Yasuhiro Terada
H04 - ELECTRIC COMMUNICATION TECHNIQUE