Inventor
Tuan A. Dang
Inventor
Sayre, PA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
Y10Tprimary
Y10TTechnical subjects covered by former us classification33%
C09KMaterials for miscellaneous applications, not provided for elsewhere24%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry10%
C04BLime, magnesia10%
C23CCoating metallic material10%
H05BElectric heating10%
B22FWorking metallic powder5%
PatentTitleYear
8,298,666'Moisture resistant electroluminescent phosphor with high initial brightness and method of making'20127,989,064'Ceramic-coated tungsten powder'20117,833,437'Moisture-resistant electroluminescent phosphor with high initial brightness and method of making'20106,696,184'Supported tungsten carbide material'20046,551,569'Supported tungsten carbide material'20036,309,700'Method of making long life electroluminescent phosphor'20015,194,332'Europium-activated barium magnesium silicate phosphor'19935,185,180'Method of improving the maintenance of a fluorescent lamp containing europium-activated barium magnesium silicate phosphor'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to GTE PROD CORP (2)· patent assignee history
1993–2012Based in Sayre, PA, US· patent location history
2001–2004Patents assigned to OSRAM SYLVANIA INC (3)· patent assignee history
2010–2012Patents assigned to GLOBAL TUNGSTEN & POWDERS CORP (3)· patent assignee history
2012Patents assigned to BENJAMIN DALE E (1)· patent assignee history
2012Patents assigned to COVELESKIE JOAN M (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GLOBAL TUNGSTEN & POWDERS CORP | 3 | 2010–2012 |
| OSRAM SYLVANIA INC | 3 | 2001–2004 |
| GTE PROD CORP | 2 | 1993 |
| BENJAMIN DALE E | 1 | 2012 |
| COVELESKIE JOAN M | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Sayre, Pennsylvania, US | 8 | 1993–2012 |