Inventor
WU CHEN H
US10 patents
⚠️ This page may combine multiple inventors who share the name “WU CHEN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEOTEK ELECTRONICS CORP
9 patentsUS6502956B1Jan 7, 2003
Light emitting diode lamp with individual LED lenses
LEOTEK ELECTRONICS CORP277 citations98
US5949347ASep 7, 1999
Light emitting diode retrofitting lamps for illuminated signs
LEOTEK ELECTRONICS CORP277 citations98
US6558021B2May 6, 2003
Light emitting diode modules for illuminated signs
LEOTEK ELECTRONICS CORP127 citations95
US6911915B2Jun 28, 2005
Compact light emitting diode retrofit lamp and method for traffic signal lights
LEOTEK ELECTRONICS CORP69 citations93
US6905227B2Jun 14, 2005
Light emitting diode retrofit module for traffic signal lights
LEOTEK ELECTRONICS CORP42 citations92
US6761471B2Jul 13, 2004
Method and apparatus for retrofitting backlit signs with light emitting diode modules
LEOTEK ELECTRONICS CORP20 citations92
US6268801B1Jul 31, 2001
Method and apparatus for retro-fitting a traffic signal light with a light emitting diode lamp module
LEOTEK ELECTRONICS CORP45 citations92
USD424715SMay 9, 2000
L.E.D lamp
LEOTEK ELECTRONICS CORP16 citations83
US7303309B2Dec 4, 2007
Method and apparatus for backlit signs with light emitting diode modules
LEOTEK ELECTRONICS CORP14 citations80