Assignee
COGENT LIGHT TECH
US·40 granted patents·3 pending applications·1,651 citations·filing 1992–2004
Top patents by PatentIndex Score
43 records- 0198US6587269B2Polarization recovery system for projection displaysCOGENT LIGHT TECH·Filed 2001·Granted Jul 1, 2003·95 cites·20 claims
- 0297US6227682B1Coupling of light from a small light source for projection systems using parabolic reflectorsCOGENT LIGHT TECH·Filed 2000·Granted May 8, 2001·100 cites·23 claims
- 0395US6634759B1Coupling of light from a light source to a target using dual ellipsoidal reflectorsCOGENT LIGHT TECH·Filed 2000·Granted Oct 21, 2003·63 cites·40 claims
- 0494US6409391B1Fiber optic illumination adaptor assembly for multiple light guide connectorsCOGENT LIGHT TECH·Filed 2000·Granted Jun 25, 2002·87 cites·15 claims
- 0594US6385371B1Optical system including coupling for transmitting light between a single fiber light guide and multiple single fiber light guidesCOGENT LIGHT TECH·Filed 2000·Granted May 7, 2002·77 cites·37 claims
- 0693US5414600ACondensing and collecting optical system using an ellipsoidal reflectorCOGENT LIGHT TECH·Filed 1993·Granted May 9, 1995·88 cites·33 claims
- 0792US5430620ACompact surgical illumination system capable of dynamically adjusting the resulting field of illuminationCOGENT LIGHT TECH·Filed 1993·Granted Jul 4, 1995·95 cites·25 claims
- 0889US5430634AConcentrating and collecting optical system using concave toroidal reflectorsCOGENT LIGHT TECH·Filed 1992·Granted Jul 4, 1995·82 cites·43 claims
- 0988US6129662ASurgical tool with surgical field illuminatorCOGENT LIGHT TECH·Filed 1996·Granted Oct 10, 2000·92 cites·40 claims
- 1087US6231199B1Collecting and condensing optical system using cascaded parabolic reflectorsCOGENT LIGHT TECH·Filed 2000·Granted May 15, 2001·37 cites·31 claims
- 1186US6312144B1Optical system having retro-reflectorsCOGENT LIGHT TECH·Filed 2000·Granted Nov 6, 2001·34 cites·18 claims
- 1284US6619820B2Light condensing and collecting systems using lensed light pipesCOGENT LIGHT TECH·Filed 2001·Granted Sep 16, 2003·28 cites·30 claims
- 1384US5836667AConcentrating and collecting optical system using concave toroidal reflectorsCOGENT LIGHT TECH·Filed 1995·Granted Nov 17, 1998·56 cites·51 claims
- 1483US6672740B1Condensing and collecting optical system using parabolic reflectors or a corresponding ellipsoid/hyperboloid pair of reflectorsCOGENT LIGHT TECH·Filed 2000·Granted Jan 6, 2004·27 cites·48 claims
- 1583US5751869AOptical system for coupling light from a single fiber optic into a fiber bundleCOGENT LIGHT TECH·Filed 1996·Granted May 12, 1998·65 cites·23 claims
- 1681US6626582B2Snap-on connector system for coupling light from an illuminator to a fiber opticCOGENT LIGHT TECH·Filed 2001·Granted Sep 30, 2003·36 cites·2 claims
- 1780US6616304B2Temperature control for arc lampsCOGENT LIGHT TECH·Filed 2001·Granted Sep 9, 2003·30 cites·52 claims
- 1880US6565235B2Folding an arc into itself to increase the brightness of an arc lampCOGENT LIGHT TECH·Filed 2001·Granted May 20, 2003·25 cites·78 claims
- 1980US5709459ASurgical luminaireCOGENT LIGHT TECH·Filed 1994·Granted Jan 20, 1998·54 cites·18 claims
- 2079US6595673B1Coupling of high intensity light into low melting point fiber optics using polygonal homogenizersCOGENT LIGHT TECH·Filed 1999·Granted Jul 22, 2003·48 cites·39 claims
- 2178US5707131ACollections and condensing optical system using cascaded concave reflectorsCOGENT LIGHT TECH·Filed 1996·Granted Jan 13, 1998·49 cites·15 claims
- 2278US5642456ALight intensity attenuator for optical transmission systemsCOGENT LIGHT TECH·Filed 1993·Granted Jun 24, 1997·51 cites·20 claims
- 2377US5680492ASingular fiber to bundle illumination with optical couplerCOGENT LIGHT TECH·Filed 1995·Granted Oct 21, 1997·58 cites·35 claims
- 2475US5898802ACoupling method and apparatus for coupling polymer fibers to a light source for improving power handling capabilities of the polymer fibersCOGENT LIGHT TECH·Filed 1997·Granted Apr 27, 1999·44 cites·58 claims
- 2568US6065882ASnap-in proximal connector for mounting an optic fiber element into a light source systemCOGENT LIGHT TECH·Filed 1998·Granted May 23, 2000·34 cites·15 claims
- 2659US5452392AFiber optic, coupling apparatus having means for preventing thermal damage to the fiber optic at the fiber-to-light source couplingCOGENT LIGHT TECH·Filed 1994·Granted Sep 19, 1995·21 cites·27 claims
- 2758US5509095ACondensing and collecting optical system with axially displaced concave reflector and optical fiberCOGENT LIGHT TECH·Filed 1994·Granted Apr 16, 1996·20 cites·23 claims
- 2857US5754719AMethod for coupling light from single fiberoptic to a multi-fiber bundle with enhanced field uniformity and better coupling efficiencyCOGENT LIGHT TECH·Filed 1996·Granted May 19, 1998·21 cites·24 claims
- 2957US5640478ASnap-in proximal connector for mounting an optic fiber element into a light source systemCOGENT LIGHT TECH·Filed 1995·Granted Jun 17, 1997·23 cites·12 claims
- 3055US6854864B2Light pipe light source with flux condensing light pipeCOGENT LIGHT TECH·Filed 2003·Granted Feb 15, 2005·4 cites·13 claims
- 3153US2004240059A1Polarization recovery system for projection displaysCOGENT LIGHT TECH·Filed 2004·Application pending·0 cites
- 3248US6318885B1Method and apparatus for coupling light and producing magnified images using an asymmetrical ellipsoid reflective surfaceCOGENT LIGHT TECH·Filed 2000·Granted Nov 20, 2001·4 cites·13 claims
- 3348US6186648B1Concentrating and collecting optical system using concave toroidal reflectorsCOGENT LIGHT TECH·Filed 1998·Granted Feb 13, 2001·14 cites·49 claims
- 3448US5761356AApparatus and method for coupling high intensity light into low temperature optical fiberCOGENT LIGHT TECH·Filed 1996·Granted Jun 2, 1998·13 cites·17 claims
- 3547US2004240058A1Polarization recovery system for projection displaysCOGENT LIGHT TECH·Filed 2004·Application pending·0 cites
- 3643US6089741AApparatus and method for coupling high intensity light into low temperature optical fiberCOGENT LIGHT TECH·Filed 1998·Granted Jul 18, 2000·10 cites·14 claims
- 3742US5598497AApparatus for mounting a light source within a system for coupling light into an optic fiber or fiber bundleCOGENT LIGHT TECH·Filed 1995·Granted Jan 28, 1997·11 cites·10 claims
- 3841US5954652ASlipover illuminating ureteral catheter and method of installationCOGENT LIGHT TECH·Filed 1995·Granted Sep 21, 1999·32 cites·25 claims
- 3941US2001026450A1Coupling of light from a small light source for projection systems using parabolic reflectorsCOGENT LIGHT TECH·Filed 2001·Application pending·0 cites
- 4040US5446818AFiber optic connector having a shielding apparatus for protecting the exposed end of a fiber opticCOGENT LIGHT TECH·Filed 1994·Granted Aug 29, 1995·10 cites·33 claims
- 4137US5764837ASnap-in proximal connector for mounting an optic fiber element into a light source systemCOGENT LIGHT TECH·Filed 1997·Granted Jun 9, 1998·8 cites·15 claims
- 4232US5905830ADevice for coupling a high intensity point source to a fiber bundleCOGENT LIGHT TECH·Filed 1997·Granted May 18, 1999·3 cites·9 claims
- 4330US5881192AMethod of coupling a high intensity point source to a fiber bundleCOGENT LIGHT TECH·Filed 1996·Granted Mar 9, 1999·2 cites·29 claims
Join the waitlist — get patent alerts
Get an alert when COGENT LIGHT TECH files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →