Assignee
U S PREC LENS INC
US·9 granted patents·1,128 citations·filing 1997–2000
Top patents by PatentIndex Score
9 records- 0199US6461000B1Optical systems for projection displaysU S PREC LENS INC·Filed 2000·Granted Oct 8, 2002·251 cites·4 claims
- 0298US6169636B1Focus corrector for zoom projection lenses used with pixelized panelsU S PREC LENS INC·Filed 1999·Granted Jan 2, 2001·200 cites·10 claims
- 0395US6195209B1Projection lenses having reduced lateral color for use with pixelized panelsU S PREC LENS INC·Filed 1999·Granted Feb 27, 2001·123 cites·31 claims
- 0494US6490087B1Optical systems for reflective LCD'sU S PREC LENS INC·Filed 2000·Granted Dec 3, 2002·96 cites·18 claims
- 0590US6529336B1Color corrected projection lenses employing diffractive optical surfacesU S PREC LENS INC·Filed 1999·Granted Mar 4, 2003·93 cites·6 claims
- 0690US6417971B1Zoom projection lens having a lens correction unitU S PREC LENS INC·Filed 1997·Granted Jul 9, 2002·99 cites·15 claims
- 0789US6445512B1Projection television lens systems having improved modulation transfer functionsU S PREC LENS INC·Filed 1999·Granted Sep 3, 2002·91 cites·11 claims
- 0889US6141154AFocusable, color corrected, high performance projection lens systemsU S PREC LENS INC·Filed 1998·Granted Oct 31, 2000·89 cites·20 claims
- 0984US6509937B1High performance projection television lens systemsU S PREC LENS INC·Filed 1998·Granted Jan 21, 2003·86 cites·10 claims
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