US Patent 7224662 Objective lens for optical pickup
Patent 7224662 was granted and assigned to Pentax on May, 2007 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 7, 2003
0
Date of Patent
May 29, 2007
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Patent Application Number
10430212
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Patent Inventor Names
Daisuke Koreeda
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Koichi Maruyama
0
Shuichi Takeuchi
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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