Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8651723 | LED light source with a luminescent layer | Thomas Juestel, Henning Ohland, Joachim Opitz, Harald Josef Günther Radermacher, Detlef Uwe Wiechert | 2014-02-18 |
| 6833160 | Method of coating a luminescent material | Thomas Justel, Hans Nikol, Cornelis Reinder Ronda | 2004-12-21 |
| 6504320 | Gas discharge lamp comprising a phosphor layer | Claus Feldmann, Thomas Juestel, Cornelis Reinder Ronda, Hans-Otto Jungk | 2003-01-07 |
| 6472811 | Coating for a luminescent material | Thomas Justel, Hans Nikol, Cornelis Reinder Ronda | 2002-10-29 |
| 6417611 | Phosphor composition comprising an amide group-containing or urethane group-containing organic binder | Friederike Picht, Wolfram Czarnojan, Claus Feldmann, Hans-Otto Jungk, Roel Van De Belt +2 more | 2002-07-09 |
| 6093492 | Phosphor composition with a hydroxycarboxylic-acid coating | Michael Bredol | 2000-07-25 |
| 6013314 | Manufacture of a phosphor composition with hematite | Michael Bredol, Dieter Wadow, Irmgard Kohler | 2000-01-11 |
| 6010779 | Phosphor composition comprising fine-grain and coarse-grain SiO.sub.2 particles | Friederike Picht, Joachim Opitz, Hans-Otto Jungk, Jan W. G. de Bakker, Miguel Boutelje +2 more | 2000-01-04 |
| 5798059 | Color display screen comprising a contrast-enhancing pigment | Michael Bredol, Dieter Wadow | 1998-08-25 |
| 5744061 | Color display screen comprising a contrast-enhancing pigment | Michael Bredol, Dieter Wadow | 1998-04-28 |
| 5498369 | Method of manufacturing ZnS particles | Michael Bredol, Cornelis Reinder Ronda | 1996-03-12 |