Inventor

DANG TUAN A

US7 patents

⚠️ This page may combine multiple inventors who share the name “DANG TUAN A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

GTE PROD CORP

2 patents

US5194332AMar 16, 1993

Europium-activated barium magnesium silicate phosphor

GTE PROD CORP21 citations91

US5185180AFeb 9, 1993

Method of improving the maintenance of a fluorescent lamp containing europium-activated barium magnesium silicate phosphor

GTE PROD CORP12 citations72

GLOBAL TUNGSTEN & POWDERS CORP

2 patents

US7833437B2Nov 16, 2010

Moisture-resistant electroluminescent phosphor with high initial brightness and method of making

GLOBAL TUNGSTEN & POWDERS CORP24 citations87

US7989064B2Aug 2, 2011

Ceramic-coated tungsten powder

GLOBAL TUNGSTEN & POWDERS CORP1 citations46

OSRAM SYLVANIA INC

2 patents

US6696184B1Feb 24, 2004

Supported tungsten carbide material

OSRAM SYLVANIA INC13 citations82

US6551569B1Apr 22, 2003

Supported tungsten carbide material

OSRAM SYLVANIA INC14 citations82

FAN CHEN-WEN

1 patent

US8298666B2Oct 30, 2012

Moisture resistant electroluminescent phosphor with high initial brightness and method of making

FAN CHEN-WEN1 citations41