US Patent 7561799 Optical path switching device
Patent 7561799 was granted and assigned to Nabtesco Corporation on July, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
March 8, 2005
0
Date of Patent
July 14, 2009
0
Patent Application Number
11074566
0
Patent Citations Received
Patent Inventor Names
Masayuki Togawa
0
Morio Kobayashi
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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