Inventor · disambiguated record
Matthijs Keuper
Also filed as: KEUPER MATTHIJS · KEUPER MATTHIJS H · KEUPER MATTHIJS HENDRIK
20 granted patents·5 pending applications·1,246 citations·filing 1997–2022
96Inventor score
Files withPHILIPS LUMILEDS LIGHTING CO11LUMILEDS LIGHTING LLC3KONINKL PHILIPS ELECTRONICS NV2ENG GREGORY W1HOELEN CHRISTOPH GERARD AUGUST1
Top patents by PatentIndex Score
25 records- 0198US7070300B2Remote wavelength conversion in an illumination devicePHILIPS LUMILEDS LIGHTING CO·Filed 2004·Granted Jul 4, 2006·212 cites·59 claims
- 0298US6554451B1Luminaire, optical element and method of illuminating an objectLUMILEDS LIGHTING LLC·Filed 2000·Granted Apr 29, 2003·161 cites·11 claims
- 0397US7009213B2Light emitting devices with improved light extraction efficiencyLUMILEDS LIGHTING LLC·Filed 2003·Granted Mar 7, 2006·167 cites·18 claims
- 0495US7276737B2Light emitting devices with improved light extraction efficiencyPHILIPS LUMILEDS LIGHTING CO·Filed 2006·Granted Oct 2, 2007·32 cites·17 claims
- 0595US7234820B2Illuminators using reflective optics with recycling and color mixingPHILIPS LUMILEDS LIGHTING CO·Filed 2005·Granted Jun 26, 2007·71 cites·20 claims
- 0693US7080932B2LED with an optical system to increase luminance by recycling emitted lightPHILIPS LUMILEDS LIGHTING CO·Filed 2004·Granted Jul 25, 2006·126 cites·30 claims
- 0792US7494228B2Compact mixing cavity for multiple colors of LEDsPHILIPS LUMILEDS LIGHTING CO·Filed 2007·Granted Feb 24, 2009·42 cites·25 claims
- 0889US6139166ALuminaire having beam splitters for mixing light from different color ' LEDsLUMILEDS LIGHTING BV·Filed 1999·Granted Oct 31, 2000·142 cites·14 claims
- 0986US7364343B2Compact lighting system and display devicePHILIPS LUMILEDS LIGHTING CO·Filed 2002·Granted Apr 29, 2008·33 cites·17 claims
- 1084US7212344B2Illumination system with aligned LEDsPHILIPS LUMILEDS LIGHTING CO·Filed 2004·Granted May 1, 2007·26 cites·30 claims
- 1181US5947587ASignal lamp with LEDsPHILIPS CORP·Filed 1997·Granted Sep 7, 1999·153 cites·8 claims
- 1280US8704254B2Light emitting device including a filterTROTTIER TROY A·Filed 2006·Granted Apr 22, 2014·11 cites·6 claims
- 1377US8231251B2Multiple piece reflective angle transformerENG GREGORY W·Filed 2005·Granted Jul 31, 2012·9 cites·17 claims
- 1474US8337031B2Color-tunable illumination system, lamp and luminaireWEGH RENE THEODORUS·Filed 2008·Granted Dec 25, 2012·12 cites·12 claims
- 1572US7408201B2Polarized semiconductor light emitting devicePHILIPS LUMILEDS LIGHTING CO·Filed 2004·Granted Aug 5, 2008·18 cites·37 claims
- 1669US8567974B2Illumination device with LED and one or more transmissive windowsHOELEN CHRISTOPH GERARD AUGUST·Filed 2009·Granted Oct 29, 2013·9 cites·14 claims
- 1764US8956032B2LED lighting system comprising an optical system suitable for providing a light beamKEUPER MATTHIJS HENDRIK·Filed 2010·Granted Feb 17, 2015·3 cites·20 claims
- 1861US6550941B1LuminaireKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted Apr 22, 2003·13 cites·19 claims
- 1957US7267469B2Compact lighting system and display devicePHILIPS LUMILEDS LIGHTING CO·Filed 2003·Granted Sep 11, 2007·5 cites·11 claims
- 2053US2008265263A1Polarized Semiconductor Light Emitting DevicePHILIPS LUMILEDS LIGHTING CO·Filed 2008·Application pending·0 cites
- 2152US2008006840A1Light Emitting Devices with Improved Light Extraction EfficiencyPHILIPS LUMILEDS LIGHTING CO·Filed 2007·Application pending·0 cites
- 2247US2022313851A1Flexible radiative decontamination apparatus and method of useLUMAEGIS INC·Filed 2022·Application pending·0 cites
- 2339US7535168B2Light-emitting diode, lighting device and method of manufacturing samePHILIPS LUMILED LIGHTING U S L·Filed 2001·Granted May 19, 2009·1 cites·8 claims
- 2439US2003095417A1Illumination systemKONINKL PHILIPS ELECTRONICS NV·Filed 2002·Application pending·0 cites
- 2539US2005179041A1Illumination system with LEDsLUMILEDS LIGHTING LLC·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →