US Patent 7558456 Optical waveguide device
Patent 7558456 was granted and assigned to Mitsumi Electric on July, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 26, 2008
Date of Patent
July 7, 2009
Patent Application Number
12076976
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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