US Patent 7633680 Diffraction grating device and optical apparatus
Patent 7633680 was granted and assigned to Konica Minolta Holdings on December, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
April 30, 2008
0
Date of Patent
December 15, 2009
0
Patent Application Number
12112260
0
Patent Citations Received
Patent Inventor Names
Shigeto Ohmori
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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