Title:
光ピックアップ用対物レンズおよび光ピックアップ装置
Document Type and Number:
Japanese Patent JP4504875
Kind Code:
B2
Inventors:
Kosuke Eisuke
Koichi Maruyama
Koichi Maruyama
Application Number:
JP2005177364A
Publication Date:
July 14, 2010
Filing Date:
June 17, 2005
Export Citation:
Assignee:
HOYA CORPORATION
International Classes:
G11B7/135; G02B5/18; G02B13/00; G02B13/18
Domestic Patent References:
| JP2002050069A | ||||
| JP2002298422A |
Attorney, Agent or Firm:
Shuhei Matsuoka