US Patent 7510627 Acoustic paper diaphragm and acoustic transducer apparatus
Patent 7510627 was granted and assigned to Sony on March, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Kunihiko Tokura0
Masaru Uryu0
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Patent abstract
An acoustic paper diaphragm excellent in moisture resistance and acoustic characteristics and not impairing the biodegradability is provided.
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Official Website
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US Patent 07510627 Acoustic paper diaphragm and acoustic transducer apparatus US Patent 7510627 Acoustic paper diaphragm and acoustic transducer apparatus
Infobox
Patent Number
075106270
Patent Number
75106270
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Infobox
Is a
Current Assignee
0
Patent Jurisdiction
Patent Number
075106270
Date of Patent
March 31, 2009
0Patent Application Number
110816260
Date Filed
March 17, 2005
0Official Website
Patent Primary Examiner
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Website URL
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US Patent 07510627 Acoustic paper diaphragm and acoustic transducer apparatus
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07510627
Date of patent
March 31, 2009
Patent application number
11081626
Date Filed
March 17, 2005
Patent primary examiner
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