US Patent 7759570 Material for keys of keyboard
Patent 7759570 was granted and assigned to Yamaha (yacht) on July, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A material for a key of a keyboard instrument may include, but is not limited to, a base resin; and particles of a moisture control material that performs chemical sorption of moisture. The moisture control material increase in volume with moisture-sorption. The moisture control material decrease in volume with moisture-desorption.
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Patent Inventor Names
Shigeru Muramatsu0
Toshiro Sakai0
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Official Website
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US Patent 07759570 Material for keys of keyboard US Patent 7759570 Material for keys of keyboard
Infobox
Patent Number
077595700
Patent Number
77595700
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077595700
Date of Patent
July 20, 2010
0Patent Application Number
120529880
Date Filed
March 21, 2008
0Official Website
Patent Primary Examiner
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US Patent 07759570 Material for keys of keyboard
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07759570
Date of patent
July 20, 2010
Patent application number
12052988
Date Filed
March 21, 2008
Patent primary examiner
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