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Yoshiyuki Yoshizumi
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Kanagawa-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hearing aid adjuster
Patent number
8,073,170
Issue date
Dec 6, 2011
Panasonic Corporation
Hiroshi Kondo
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
Hearing aid with automatic excessive output sound control
Patent number
7,539,320
Issue date
May 26, 2009
Panasonic Corporation
Shigekiyo Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Speech signal processing apparatus for amplifying an input signal b...
Patent number
5,583,969
Issue date
Dec 10, 1996
Technology Research Association of Medical and Welfare Apparatus
Yoshiyuki Yoshizumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Speech enhancement apparatus
Patent number
5,530,768
Issue date
Jun 25, 1996
Technology Research Association of Medical and Welfare Apparatus
Yoshiyuki Yoshizumi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Apparatus and method for speech signal processing
Patent number
5,408,581
Issue date
Apr 18, 1995
Technology Research Association of Medical and Welfare Apparatus
Ryoji Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Radiation sensor and a radiation detecting apparatus using the same
Patent number
5,111,052
Issue date
May 5, 1992
Matsushita Electric Industrial Co., Ltd.
Tetsuro Ohtsuchi
G01 - MEASURING TESTING
Information
Patent Grant
X-ray image processing device
Patent number
5,020,085
Issue date
May 28, 1991
Matsushita Electric Industrial Co., Ltd.
Toshiyuki Kawara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
A HEARING AID ADJUSTER
Publication number
20090022346
Publication date
Jan 22, 2009
Matsushita Electric Industrial Co., Ltd.
Hiroshi Kondo
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
Hearing aid
Publication number
20070058828
Publication date
Mar 15, 2007
Matsushita Electric Industrial Co., Ltd.
Shigekiyo Fujii
H04 - ELECTRIC COMMUNICATION TECHNIQUE