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Akio YATSUI
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Hamamatsu-shi, JP
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last 30 patents
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Patent Grant
Electronic keyboard musical instrument for assisting in improvisation
Patent number
7,825,320
Issue date
Nov 2, 2010
Yamaha Corporation
Akio Yatsui
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
ELECTRONIC KEYBOARD MUSICAL INSTRUMENT FOR ASSISTING IN IMPROVISATION
Publication number
20080289480
Publication date
Nov 27, 2008
Yamaha Corporation
Akio YATSUI
G10 - MUSICAL INSTRUMENTS ACOUSTICS