Chin-Wang Tu

Person

Cupertino, 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
Luminaire with rotating and removable door
- Patent number 8,573,818
- Issue date Nov 5, 2013
- Leotek Electronics Corporation
- Chin-Wang Tu
- F21 - LIGHTING
Information Patent Grant
LED luminaire light redirection shield
- Patent number 8,511,865
- Issue date Aug 20, 2013
- Leotek Electronics Corporation
- Chin-Wang Tu
- 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
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
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
Light emitting diode of improved current blocking and light extract...
- Patent number 6,420,732
- Issue date Jul 16, 2002
- Luxnet COrporation
- Hsing Kung
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light emitting diodes with nitrogen doping
- Patent number 5,041,883
- Issue date Aug 20, 1991
- Hewlett-Packard Company
- Peter F. Lindquist
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
P-side up double heterojunction AlGaAs light-emitting diode
- Patent number 4,864,369
- Issue date Sep 5, 1989
- Hewlett-Packard Company
- Wayne L. Snyder
- H01 - BASIC ELECTRIC ELEMENTS

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
LED Luminaire Light Redirection Shield
- Publication number 20120008320
- Publication date Jan 12, 2012
- Chin-Wang Tu
- F21 - LIGHTING
Information Patent Application
Luminaire With Rotating And Removable Door
- Publication number 20110188256
- Publication date Aug 4, 2011
- Chin-Wang Tu
- F21 - LIGHTING
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
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

Chin-Wang Tu

Person

Patents Grantslast 30 patents

Traffic signal light device

Luminaire with rotating and removable door

LED luminaire light redirection shield

LED luminaire with improved life and operation management

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

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

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

Light emitting diode of improved current blocking and light extract...

Light emitting diodes with nitrogen doping

P-side up double heterojunction AlGaAs light-emitting diode

Patents Applicationslast 30 patents

TRAFFIC SIGNAL LIGHT DEVICE

LED Luminaire Light Redirection Shield

Luminaire With Rotating And Removable Door

Lighting unit reflector

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

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