Title:
光ピックアップ用対物レンズ
Document Type and Number:
Japanese Patent JP4385549
Kind Code:
B2
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Inventors:
Junji Hashimura
Takada ball
Hideki Nagata
Takada ball
Hideki Nagata
Application Number:
JP2001193989A
Publication Date:
December 16, 2009
Filing Date:
June 27, 2001
Export Citation:
Assignee:
Konica Minolta Opto Co., Ltd.
International Classes:
G02B13/00; G02B9/06; G02B13/18; G11B7/135
Domestic Patent References:
| JP2000322757A | ||||
| JP2001155371A | ||||
| JP2002116378A | ||||
| JP2002533746A | ||||
| JP2003167187A | ||||
| JP2003015032A | ||||
| JP2002251766A | ||||
| JP2002203333A |
Foreign References:
| WO2002027715A1 |