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Hamamatsu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Sound volume adjusting apparatus
Patent number
9,270,242
Issue date
Feb 23, 2016
Yamaha Corporation
Taini Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound volume adjusting apparatus
Patent number
8,670,574
Issue date
Mar 11, 2014
Yamaha Corporation
Taini Ito
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
SOUND VOLUME ADJUSTING APPARATUS
Publication number
20140133676
Publication date
May 15, 2014
Yamaha Corporation
Taini ITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Sound Volume Adjusting Apparatus
Publication number
20110051959
Publication date
Mar 3, 2011
Yamaha Corporation
Taini ITO
H04 - ELECTRIC COMMUNICATION TECHNIQUE