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Keiji Kawakami
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Hamamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sound field control apparatus, signal processing apparatus, sound f...
Patent number
7,474,753
Issue date
Jan 6, 2009
Yamaha Corporation
Toshinori Araya
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Automatic accompaniment data-processing method and apparatus and ap...
Patent number
5,736,664
Issue date
Apr 7, 1998
Yamaha Corporation
Shinichi Ito
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Musical tone generation apparatus capable of writing/reading parame...
Patent number
5,340,940
Issue date
Aug 23, 1994
Yamaha Corporation
Akira Iizuka
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Electronic musical instrument using time-shared data register
Patent number
5,298,673
Issue date
Mar 29, 1994
Yamaha Corporation
Akira Iizuka
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Musical tone generating apparatus having means for controlling the...
Patent number
5,149,903
Issue date
Sep 22, 1992
Yamaha Corporation
Akira Iizuka
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Musical composition parameter selecting device for electronic music...
Patent number
4,773,294
Issue date
Sep 27, 1988
Yamaha Corporation
Akira Iizuka
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
Sound field control apparatus, signal processing apparatus, sound f...
Publication number
20050047608
Publication date
Mar 3, 2005
Yamaha Corporation
Toshinori Araya
H04 - ELECTRIC COMMUNICATION TECHNIQUE