Number | Date | Country | Kind |
---|---|---|---|
10-337671 | Nov 1998 | JP | |
11-077460 | Mar 1999 | JP |
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5874726 | Haydon | Feb 1999 | A |
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6130779 | Carlson et al. | Oct 2000 | A |
6154326 | Ueyanagi et al. | Nov 2000 | A |
6185056 | Nishiwaki et al. | Feb 2001 | B1 |
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6215756 | Shimano et al. | Apr 2001 | B1 |
6275453 | Ueyanagi et al. | Aug 2001 | B1 |
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Entry |
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Objective Lenses for DVD & Near Field Optical Disk Pick-Up by Chul Woo Lee et al. Optical System Lab Corporate Technical Operation, SamSung Electronics Co., Ltd TuP 1 ODF '98, Tokyo Jun. 16, 1998. |