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Michiko Ogawa
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Osaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Audio information provision system
Patent number
6,938,209
Issue date
Aug 30, 2005
Matsushita Electric Industrial Co., Ltd.
Michiko Ogawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Musical signal processing apparatus
Patent number
6,673,995
Issue date
Jan 6, 2004
Matsushita Electric Industrial Co., Ltd.
Michiko Ogawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Music-signal compressing/decompressing apparatus
Patent number
6,605,768
Issue date
Aug 12, 2003
Matsushita Electric Industrial Co., Ltd.
Toshihiko Date
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sound field controller and control method
Patent number
5,742,688
Issue date
Apr 21, 1998
Matsushita Electric Industrial Co., Ltd.
Michiko Ogawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Sound reproducing apparatus for use in vehicle
Patent number
4,924,962
Issue date
May 15, 1990
Matsushita Electric Industrial Co., Ltd.
Kenichi Terai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Audio information provision system
Publication number
20020130898
Publication date
Sep 19, 2002
Michiko Ogawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Music-signal compressing/decompressing apparatus
Publication number
20020078817
Publication date
Jun 27, 2002
Toshihiko Date
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Musical signal processing apparatus
Publication number
20020053275
Publication date
May 9, 2002
Michiko Ogawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE