US Patent 7512345 Wavelength division multiplexing optical transmission system and method
Patent 7512345 was granted and assigned to NEC Corporation on March, 2009 by the United States Patent and Trademark Office.
Is a
Date Filed
September 19, 2005
Date of Patent
March 31, 2009
Patent Application Number
11228399
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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