Assignee
LIGHTPATH TECH INC
US·25 granted patents·11 pending applications·589 citations·filing 1991–2025
Top patents by PatentIndex Score
36 records- 0189US6765503B1Backlighting for computer keyboardLIGHTPATH TECH INC·Filed 1999·Granted Jul 20, 2004·85 cites·37 claims
- 0285US6027672AMethod of producing large polymer optical blanks with predictable axil refractive index profileLIGHTPATH TECH INC·Filed 1997·Granted Feb 22, 2000·61 cites·12 claims
- 0382US6871978B2Computer keyboard backlightingLIGHTPATH TECH INC·Filed 2001·Granted Mar 29, 2005·27 cites·80 claims
- 0478US5689374AGRIN lens and method of manufacturingLIGHTPATH TECH INC·Filed 1995·Granted Nov 18, 1997·48 cites·9 claims
- 0576US10641928B2One optical design pattern/method of a cost effective IR lensLIGHTPATH TECH INC·Filed 2017·Granted May 5, 2020·3 cites·21 claims
- 0675US6360039B1Fabrication of collimators employing optical fibers fusion-spliced to optical elements of substantially larger cross-sectional areasLIGHTPATH TECH INC·Filed 1999·Granted Mar 19, 2002·33 cites·5 claims
- 0774US6033515AUse of a laser to fusion-splice optical components of substantially different cross-sectional areasLIGHTPATH TECH INC·Filed 1998·Granted Mar 7, 2000·37 cites·26 claims
- 0874US5630857AProcess for manufacturing GRIN lenses by melting a series of layers of fritsLIGHTPATH TECH INC·Filed 1995·Granted May 20, 1997·22 cites·6 claims
- 0973US7146075B2High-power fused collimator and associated methodsLIGHTPATH TECH INC·Filed 2005·Granted Dec 5, 2006·6 cites·24 claims
- 1072US5200858AUni-directional gradient index of refraction glassesLIGHTPATH TECH INC·Filed 1992·Granted Apr 6, 1993·44 cites·8 claims
- 1171US5936777AAxially-graded index-based couplers for solar concentratorsLIGHTPATH TECH INC·Filed 1997·Granted Aug 10, 1999·63 cites·11 claims
- 1271US5236486AShaped gradient fabrication in lenses by molding from axial gradientLIGHTPATH TECH INC·Filed 1991·Granted Aug 17, 1993·33 cites·9 claims
- 1371US2024377607A1Integrated optical assembly and manufacturing the sameLIGHTPATH TECH INC·Filed 2024·Application pending·0 cites
- 1470US6780274B2Fabrication of collimators employing optical fibers fusion-spliced to optical elements of substantially larger cross-section areasLIGHTPATH TECH INC·Filed 2001·Granted Aug 24, 2004·10 cites·22 claims
- 1569US5917105AMethod of manufacturing a grin lensLIGHTPATH TECH INC·Filed 1997·Granted Jun 29, 1999·31 cites·13 claims
- 1660US2022402800A1Systems and methods for forming a mold-bonded lensLIGHTPATH TECH INC·Filed 2022·Application pending·0 cites
- 1759US5796525AQuadaxial gradient index lensLIGHTPATH TECH INC·Filed 1996·Granted Aug 18, 1998·24 cites·8 claims
- 1858US11802996B2One optical design pattern/method of a cost effective IR lensLIGHTPATH TECH INC·Filed 2020·Granted Oct 31, 2023·0 cites·20 claims
- 1955US2024418572A1Broadband camera for inspection of high-temperature processing environmentLIGHTPATH TECH INC·Filed 2024·Application pending·0 cites
- 2054US2022057596A1Integrated optical assembly and manufacturing the sameLIGHTPATH TECH INC·Filed 2021·Application pending·0 cites
- 2154US2024314410A1Thermal imaging including an extended short wave infrared light sourceLIGHTPATH TECH INC·Filed 2024·Application pending·0 cites
- 2248US5617252AGradient refractive index lens elementsLIGHTPATH TECH INC·Filed 1995·Granted Apr 1, 1997·15 cites·10 claims
- 2348US2024406523A1Broadband camera for flame detection and detection of a thermal image of the scene of the flameLIGHTPATH TECH INC·Filed 2024·Application pending·0 cites
- 2448US2022377855A1Optical element with heater layerLIGHTPATH TECH INC·Filed 2022·Application pending·0 cites
- 2546US7397985B2High-power fused collimator and associated methodsLIGHTPATH TECH INC·Filed 2006·Granted Jul 8, 2008·0 cites·12 claims
- 2646US5459613ALead glass composition series for gradient glassesLIGHTPATH TECH INC·Filed 1993·Granted Oct 17, 1995·11 cites·6 claims
- 2744US10969560B2Integrated optical assembly and manufacturing the sameLIGHTPATH TECH INC·Filed 2017·Granted Apr 6, 2021·0 cites·20 claims
- 2844US2025224277A1Shutterless non-uniformity correction (nuc) and calibration of focal plane arraysLIGHTPATH TECH INC·Filed 2025·Application pending·0 cites
- 2943US5815318AAxially-graded index-based couplersLIGHTPATH TECH INC·Filed 1996·Granted Sep 29, 1998·11 cites·4 claims
- 3042US6217698B1Use of a laser to fusion-splice optical components of substantially different cross-sectional areasLIGHTPATH TECH INC·Filed 1999·Granted Apr 17, 2001·10 cites·26 claims
- 3141US2024369414A1Thermal imaging including an extended short wave infrared light source to identify an objectLIGHTPATH TECH INC·Filed 2024·Application pending·0 cites
- 3240US2022048803A1Systems and methods for molding chalcogenide glass into a near-net shaped partLIGHTPATH TECH INC·Filed 2021·Application pending·0 cites
- 3336US2021060824A1Fiducials for precision optics moldingLIGHTPATH TECH INC·Filed 2019·Application pending·0 cites
- 3434US6278656B1Manipulation of acoustic waves using a functionally graded material and process for making the sameLIGHTPATH TECH INC·Filed 1999·Granted Aug 21, 2001·6 cites·16 claims
- 3532US5504623ALead glass composition series for gradient glassesLIGHTPATH TECH INC·Filed 1995·Granted Apr 2, 1996·3 cites·8 claims
- 3630US6029475ABatching of molten glass in the production of graded index of refraction glass bodiesLIGHTPATH TECH INC·Filed 1998·Granted Feb 29, 2000·6 cites·8 claims
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