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Matthijs H. Keuper
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting device including a filter
Patent number
8,704,254
Issue date
Apr 22, 2014
Philips Lumileds Lighting Company, LLC
Troy A. Trottier
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multiple piece reflective angle transformer
Patent number
8,231,251
Issue date
Jul 31, 2012
Philips Lumileds Lighting Company LLC
Gregory W. Eng
F21 - LIGHTING
Information
Patent Grant
Compact mixing cavity for multiple colors of LEDs
Patent number
7,494,228
Issue date
Feb 24, 2009
Philips Lumileds Lighting Company, LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarized semiconductor light emitting device
Patent number
7,408,201
Issue date
Aug 5, 2008
Philips Lumileds Lighting Company, LLC
Matthijs H. Keuper
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Compact lighting system and display device
Patent number
7,364,343
Issue date
Apr 29, 2008
Philips Lumileds Lighting Company LLC
Matthijs Hendrik Keuper
G02 - OPTICS
Information
Patent Grant
Light emitting devices with improved light extraction efficiency
Patent number
7,276,737
Issue date
Oct 2, 2007
Philips Lumileds Lighting Company, LLC
Michael D. Camras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compact lighting system and display device
Patent number
7,267,469
Issue date
Sep 11, 2007
Philips Lumileds Lighting Company, LLC
Matthijs Hendrik Keuper
G02 - OPTICS
Information
Patent Grant
Illuminators using reflective optics with recycling and color mixing
Patent number
7,234,820
Issue date
Jun 26, 2007
Philips Lumileds Lighting Company, LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Illumination system with aligned LEDs
Patent number
7,212,344
Issue date
May 1, 2007
Philips Lumileds Lighting Company, LLC
Matthijs H. Keuper
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
LED with an optical system to increase luminance by recycling emitt...
Patent number
7,080,932
Issue date
Jul 25, 2006
Philips Lumileds Lighting Company, LLC
Matthijs H. Keuper
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Remote wavelength conversion in an illumination device
Patent number
7,070,300
Issue date
Jul 4, 2006
Philips Lumileds Lighting Company, LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Light emitting devices with improved light extraction efficiency
Patent number
7,009,213
Issue date
Mar 7, 2006
LumiLeds Lighting U.S., LLC
Michael D. Camras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced brightness light emitting device spot emitter
Patent number
6,969,946
Issue date
Nov 29, 2005
LumiLeds Lighting U.S., LLC
Frank M. Steranka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Enhanced brightness light emitting device spot emitter
Patent number
6,730,940
Issue date
May 4, 2004
LumiLeds Lighting U.S., LLC
Frank M. Steranka
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Polarized Semiconductor Light Emitting Device
Publication number
20080265263
Publication date
Oct 30, 2008
PHILIPS LUMILEDS LIGHTING COMPANY, LLC
Matthijs H. Keuper
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light emitting device including a filter
Publication number
20080179609
Publication date
Jul 31, 2008
PHILIPS LUMILEDS LIGHTING COMPANY, LLC
Troy A. Trottier
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compact Mixing Cavity for Multiple Colors of LEDs
Publication number
20080030984
Publication date
Feb 7, 2008
PHILIPS LUMILEDS LIGHTING COMPANY, LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light Emitting Devices with Improved Light Extraction Efficiency
Publication number
20080006840
Publication date
Jan 10, 2008
PHILIPS LUMILEDS LIGHTING COMPANY, LLC
Michael D. Camras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Multiple pierce reflective angle transformer
Publication number
20070097696
Publication date
May 3, 2007
Lumileds Lighting U.S., LLC
Gregory W. Eng
F21 - LIGHTING
Information
Patent Application
Illuminators using reflective optics with recycling and color mixing
Publication number
20060227302
Publication date
Oct 12, 2006
Lumileds Lighting U.S., LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Light emitting devices with improved light extraction efficiency
Publication number
20060118805
Publication date
Jun 8, 2006
Michael D. Camras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Remote wavelength conversion in an illumination device
Publication number
20050270775
Publication date
Dec 8, 2005
Lumileds Lighting U.S., LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Compact lighting system and display device
Publication number
20050231976
Publication date
Oct 20, 2005
Matthijs Hendrik Keuper
G02 - OPTICS
Information
Patent Application
Optical system for light emitting diodes
Publication number
20050224826
Publication date
Oct 13, 2005
Lumileds Lighting, U.S., LLC
Matthijs H. Keuper
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Illumination system with aligned LEDs
Publication number
20050190562
Publication date
Sep 1, 2005
Lumileds Lighting U.S., LLC
Matthijs H. Keuper
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Illumination system with LEDs
Publication number
20050179041
Publication date
Aug 18, 2005
Lumileds Lighting U.S., LLC
Gerard Harbers
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LED with an optical system to increase luminance by recycling emitt...
Publication number
20050162849
Publication date
Jul 28, 2005
Lumileds Lighting U.S., LLC
Matthijs H. Keuper
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Compact lighting system and display device
Publication number
20050146894
Publication date
Jul 7, 2005
Matthijs Hendrik Keuper
G02 - OPTICS
Information
Patent Application
Light emitting devices with improved light extraction efficiency
Publication number
20050023545
Publication date
Feb 3, 2005
Lumileds Lighting U.S., LLC
Michael D. Camras
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Enhanced brightness light emitting device spot emitter
Publication number
20040080251
Publication date
Apr 29, 2004
Frank M. Steranka
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Illumination system
Publication number
20030095417
Publication date
May 22, 2003
Koninklijke Philips Electronics N.V.
Matthijs Hendrik Keuper
G02 - OPTICS