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Kenichi Yoshinaga
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Shizuoka-ken, JP
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Patents Grants
last 30 patents
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Patent Grant
Keyboard assembly for electronic musical instrument
Patent number
6,002,078
Issue date
Dec 14, 1999
Yamaha Corporation
Kenichi Yoshinaga
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Keyboard assembly for electronic musical instrument
Patent number
5,955,690
Issue date
Sep 21, 1999
Yamaha Corporation
Kenichi Yoshinaga
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Switch apparatus
Patent number
5,952,629
Issue date
Sep 14, 1999
Yamaha Corporation
Kenichi Yoshinaga
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Patents Applications
last 30 patents
Information
Patent Application
Fixed Electrode and Electroacoustic Transducer
Publication number
20170245061
Publication date
Aug 24, 2017
Yamaha Corporation
Kenichi YOSHINAGA
H04 - ELECTRIC COMMUNICATION TECHNIQUE