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Rika Okubo
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Kawasaki-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Apparatus and method for automatic musical accompaniment while guid...
Patent number
6,410,839
Issue date
Jun 25, 2002
Casio Computer Co., Ltd.
Rika Okubo
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
Musical instrument and method for automatically playing musical acc...
Publication number
20010003944
Publication date
Jun 21, 2001
Rika Okubo
G10 - MUSICAL INSTRUMENTS ACOUSTICS