Chen-Ho Wu

Person

Los Altos Hills, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Traffic signal light device
- Patent number 8,833,978
- Issue date Sep 16, 2014
- Leotek Electronics Corporation
- Chen-Ho Wu
- F21 - LIGHTING
Information Patent Grant
LED luminaire with improved life and operation management
- Patent number 8,111,011
- Issue date Feb 7, 2012
- Leotek Electronics Corporation
- Chin-Wang Tu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Retrofitting of fluorescent tubes with light-emitting diode (LED) m...
- Patent number 7,488,086
- Issue date Feb 10, 2009
- Leotek Electronics Corporation
- Chen-Ho Wu
- F21 - LIGHTING
Information Patent Grant
LED tube lights with clear bottom base
- Patent number 7,461,947
- Issue date Dec 9, 2008
- Leotek Electronics Corporation
- Shih Kuei Wang
- F21 - LIGHTING
Information Patent Grant
Traffic signal lamp assembly and method of replacing same
- Patent number 7,434,968
- Issue date Oct 14, 2008
- Leotek Electronics Corporation
- Chen-Ho Wu
- F21 - LIGHTING
Information Patent Grant
Light emitting diode (LED) based street light and other lighting ap...
- Patent number 7,347,706
- Issue date Mar 25, 2008
- Leotek Electronics Corporation
- Chen-Ho Wu
- F21 - LIGHTING
Information Patent Grant
Method and apparatus for backlit signs with light emitting diode mo...
- Patent number 7,303,309
- Issue date Dec 4, 2007
- Leotek Electronics Corporation
- Chen H. Wu
- F21 - LIGHTING
Information Patent Grant
Internally illuminated light panel with LED modules having light re...
- Patent number 7,172,324
- Issue date Feb 6, 2007
- Leotek Electronics Corporation
- Chen-Ho Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Compact light emitting diode retrofit lamp and method for traffic s...
- Patent number 6,911,915
- Issue date Jun 28, 2005
- Leotek Electronics Corporation
- Chen H. Wu
- B61 - RAILWAYS
Information Patent Grant
Light emitting diode retrofit module for traffic signal lights
- Patent number 6,905,227
- Issue date Jun 14, 2005
- Leotek Electronics Corporation
- Chen H. Wu
- F21 - LIGHTING
Information Patent Grant
Method and apparatus for retrofitting backlit signs with light emit...
- Patent number 6,761,471
- Issue date Jul 13, 2004
- Leotek Electronics Corporation
- Chen H. Wu
- F21 - LIGHTING
Information Patent Grant
Light emitting diode modules for illuminated signs
- Patent number 6,558,021
- Issue date May 6, 2003
- Leotek Electronics Corporation
- Chen H. Wu
- F21 - LIGHTING
Information Patent Grant
Light emitting diode lamp with individual LED lenses
- Patent number 6,502,956
- Issue date Jan 7, 2003
- Leotek Electronics Corporation
- Chen H. Wu
- F21 - LIGHTING
Information Patent Grant
Light emitting diode linear array with lens stripe for illuminated...
- Patent number 6,481,130
- Issue date Nov 19, 2002
- Leotek Electronics Corporation
- Chen-Ho Wu
- F21 - LIGHTING
Information Patent Grant
Method and apparatus for retro-fitting a traffic signal light with...
- Patent number 6,268,801
- Issue date Jul 31, 2001
- Leotek Electronics Corporation
- Chen H. Wu
- G08 - SIGNALLING
Information Patent Grant
LED power supply with temperature compensation
- Patent number 6,111,739
- Issue date Aug 29, 2000
- Leotek Electronics Corporation
- Chen-Ho Wu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting diode retrofitting lamps for illuminated traffic signs
- Patent number 6,036,336
- Issue date Mar 14, 2000
- Chen H. Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Light emitting diode retrofitting lamps for illuminated signs
- Patent number 5,949,347
- Issue date Sep 7, 1999
- Leotek Electronics Corporation
- Chen H. Wu
- G08 - SIGNALLING

Patents Applicationslast 30 patents

Information Patent Application
TRAFFIC SIGNAL LIGHT DEVICE
- Publication number 20130107540
- Publication date May 2, 2013
- Leotek Electronics Corporation
- Chen-Ho WU
- G02 - OPTICS
Information Patent Application
Lighting unit reflector
- Publication number 20070247856
- Publication date Oct 25, 2007
- Shih Chang Wang
- F21 - LIGHTING
Information Patent Application
Retrofitting of fluorescent tubes with light-emitting diode (LED) m...
- Publication number 20070242466
- Publication date Oct 18, 2007
- Chen-Ho Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Traffic signal lamp assembly and method of replacing same
- Publication number 20070139921
- Publication date Jun 21, 2007
- Chen-Ho Wu
- G08 - SIGNALLING
Information Patent Application
LED tube lights with clear bottom base
- Publication number 20070021026
- Publication date Jan 25, 2007
- Shih Kuei Wang
- F21 - LIGHTING
Information Patent Application
Internally illuminated light panel with LED modules having light re...
- Publication number 20050174802
- Publication date Aug 11, 2005
- Chen-Ho Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and apparatus for backlit signs with light emitting diode mo...
- Publication number 20050039361
- Publication date Feb 24, 2005
- Chen H. Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and apparatus for retrofitting backlit signs with light emit...
- Publication number 20040080960
- Publication date Apr 29, 2004
- Chen H. Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Compact light emitting diode retrofit lamp and method for traffic s...
- Publication number 20040070519
- Publication date Apr 15, 2004
- Chen H. Wu
- B61 - RAILWAYS
Information Patent Application
Light emitting diode retrofit module for traffic signal lights
- Publication number 20040042208
- Publication date Mar 4, 2004
- Chen H. Wu
- F21 - LIGHTING
Information Patent Application
Light emitting diode modules for illuminated signs
- Publication number 20030031032
- Publication date Feb 13, 2003
- Chen H. Wu
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Person

Patents Grantslast 30 patents

Traffic signal light device

LED luminaire with improved life and operation management

Retrofitting of fluorescent tubes with light-emitting diode (LED) m...

LED tube lights with clear bottom base

Traffic signal lamp assembly and method of replacing same

Light emitting diode (LED) based street light and other lighting ap...

Method and apparatus for backlit signs with light emitting diode mo...

Internally illuminated light panel with LED modules having light re...

Compact light emitting diode retrofit lamp and method for traffic s...

Light emitting diode retrofit module for traffic signal lights

Method and apparatus for retrofitting backlit signs with light emit...

Light emitting diode modules for illuminated signs

Light emitting diode lamp with individual LED lenses

Light emitting diode linear array with lens stripe for illuminated...

Method and apparatus for retro-fitting a traffic signal light with...

LED power supply with temperature compensation

Light emitting diode retrofitting lamps for illuminated traffic signs

Light emitting diode retrofitting lamps for illuminated signs

Patents Applicationslast 30 patents

TRAFFIC SIGNAL LIGHT DEVICE

Lighting unit reflector

Retrofitting of fluorescent tubes with light-emitting diode (LED) m...

Traffic signal lamp assembly and method of replacing same

LED tube lights with clear bottom base

Internally illuminated light panel with LED modules having light re...

Method and apparatus for backlit signs with light emitting diode mo...

Method and apparatus for retrofitting backlit signs with light emit...

Compact light emitting diode retrofit lamp and method for traffic s...

Light emitting diode retrofit module for traffic signal lights

Light emitting diode modules for illuminated signs