Matthijs Hendrik Keuper

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Illumination device with LED and one or more transmissive windows
- Patent number 8,567,974
- Issue date Oct 29, 2013
- Koninklijke Philips N.V.
- Christoph Gerard August Hoelen
- F21 - LIGHTING
Information Patent Grant
Color-tunable illumination system, lamp and luminaire
- Patent number 8,337,031
- Issue date Dec 25, 2012
- Koninklijke Philips Electronics N.V.
- Rene Theodorus Wegh
- F21 - LIGHTING
Information Patent Grant
Light-emitting diode, lighting device and method of manufacturing same
- Patent number 7,535,168
- Issue date May 19, 2009
- Philips Lumiled Lighting, U.S. LLC
- Matthijs Hendrik Keuper
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Luminaire
- Patent number 6,550,941
- Issue date Apr 22, 2003
- Koninklijke Philips Electronics N.V.
- Matthijs H. Keuper
- F21 - LIGHTING
Information Patent Grant
Luminaire having beam splitters for mixing light from different col...
- Patent number 6,139,166
- Issue date Oct 31, 2000
- LumiLeds Lighting B.V.
- Thomas M. Marshall
- G02 - OPTICS
Information Patent Grant
Signal lamp with LEDs
- Patent number 5,947,587
- Issue date Sep 7, 1999
- U.S. Philips Corporation
- Matthijs H. Keuper
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
ILLUMINATION DEVICE WITH LED AND ONE OR MORE TRANSMISSIVE WINDOWS
- Publication number 20100328926
- Publication date Dec 30, 2010
- Koninklijke Philips Electronics N.V.
- Christoph Gerard August Hoelen
- G02 - OPTICS
Information Patent Application
COLOR-TUNABLE ILLUMINATION SYSTEM, LAMP AND LUMINAIRE
- Publication number 20100254115
- Publication date Oct 7, 2010
- Koninklijke Philips Electronics N.V.
- Rene T. Wegh
- G02 - OPTICS
Information Patent Application
Light-emitting diode, lighting device and method of manufacturing same
- Publication number 20040212291
- Publication date Oct 28, 2004
- Matthijs Hendrik Keuper
- H01 - BASIC ELECTRIC ELEMENTS