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Title:
光情報記録再生装置用対物レンズおよび光情報記録再生装置
Document Type and Number:
Japanese Patent JP4849979
Kind Code:
B2
Inventors:
Kosuke Eisuke
Koichi Maruyama
Shuichi Takeuchi
Yoshiyuki Tashiro
Application Number:
JP2006189977A
Publication Date:
January 11, 2012
Filing Date:
July 11, 2006
Export Citation:
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Assignee:
HOYA CORPORATION
International Classes:
G11B7/135; G02B5/18; G02B13/00; G02B13/18
Domestic Patent References:
JP2001216674A
JP2004247025A
JP2005141800A
Foreign References:
WO2005015554A1
Attorney, Agent or Firm:
Shuhei Matsuoka



 
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