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Yorihisa Yamaguchi
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Hamamatsu, JP
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last 30 patents
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Patent Grant
Automatic performance device
Patent number
5,208,416
Issue date
May 4, 1993
Yamaha Corporation
Tokuji Hayakawa
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument having an automatic tonality designat...
Patent number
5,056,401
Issue date
Oct 15, 1991
Yamaha Corporation
Yorihisa Yamaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic musical accompaniment sound generating apparatus
Patent number
4,991,487
Issue date
Feb 12, 1991
Yamaha Corporation
Yorihisa Yamaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument having plural component blocks
Patent number
4,936,185
Issue date
Jun 26, 1990
Yamaha Corporation
Yorihisa Yamaguchi
G10 - MUSICAL INSTRUMENTS ACOUSTICS