Issued Patents All Time
Showing 76–100 of 101 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646365 | Low-pressure mercury-vapor discharge lamp | Cornelis Johannes Maria Denissen, Volker Weiler, Klaus Gawron | 2003-11-11 |
| 6602617 | Plasma picture screen with coated phosphor | Thomas Justel, Volker Weiler | 2003-08-05 |
| 6600260 | Gas discharge lamp with down conversion luminophore | Claus Feldmann, Maya Angelova Doytcheva, Thomas Justel | 2003-07-29 |
| 6525473 | Low pressure mercury vapor discharge lamp with ceramic electrode shield | Cornelis Johannes Maria Denissen, Wilhelmus M. P. Van Kemenade, Henricus Gubbels | 2003-02-25 |
| 6509685 | Plasma display screen comprising a red phosphor | Thomas Justel, Hans Nikol, Helmut Bechtel | 2003-01-21 |
| 6504320 | Gas discharge lamp comprising a phosphor layer | Claus Feldmann, Thomas Juestel, Hans-Otto Jungk, Jacqueline Merikhi | 2003-01-07 |
| 6472811 | Coating for a luminescent material | Thomas Justel, Jacqueline Merikhi, Hans Nikol | 2002-10-29 |
| 6469434 | Zinc silicate luminescent materials and related luminescent screen products | Helmut Bechtel, Thomas Justel, Walter Mayr, Hans Nikol | 2002-10-22 |
| 6426589 | Luminescent material coated with a protective layer | Thomas Justel, Hans Nikol, Walter Mayr | 2002-07-30 |
| 6417614 | Low-pressure mercury vapor discharge lamp | Cornelis Johannes Maria Denissen, Volker Weiler | 2002-07-09 |
| 6359385 | Low-pressure mercury vapor discharge lamp with electrode shield | Cornelis Johannes Maria Denissen, Wilhelmus M. P. Van Kemenade, Henricus Gubbels | 2002-03-19 |
| 6274981 | Low-pressure mercury vapor discharge lamp with electrode shield | Cornelis Johannes Maria Denissen, Volker Weiler, Wilhelm A. Groen, Wilhelmus M. P. Van Kemenade, Bennie Josephus De Maagt | 2001-08-14 |
| 6234648 | Lighting system | Herbert Friedrich Borner, Wolfgang Busselt, Thomas Justel, Hans Nikol, Gerard Harbers | 2001-05-22 |
| 6234645 | LED lighting system for producing white light | Herbert Friedrich Borner, Wolfgang Busselt, Thomas Justel, Hans Nikol | 2001-05-22 |
| 6208069 | Low-pressure mercury discharge lamp for tanning | Thomas Justel, Hans Nikol, Dick Van Der Voort, Cornelis Jojakim Jalink | 2001-03-27 |
| 6184618 | Luminescent material | Thomas Justel, Hans Nikol, Johannes T. W. De Hair | 2001-02-06 |
| 6150757 | Method of coating a luminescent material | Volker Weiler, Annette Johnen, Johannes A. F. Peek, Wilhelmus M. P. Van Kemenade | 2000-11-21 |
| 6051925 | Diode-addressed color display with molecular phosphor | Herbert Friedrich Boerner, Thomas Justel, Hans Nikol | 2000-04-18 |
| 5989738 | Organic electroluminescent component with charge transport layer | Markus Haase, Ulrich Kynast, Herbert Friedrich Boerner | 1999-11-23 |
| 5892324 | Low-pressure mercury discharge lamp having specific luminescent composition | Thomas Justel | 1999-04-06 |
| 5813753 | UV/blue led-phosphor device with efficient conversion of UV/blues light to visible light | Leendert Vriens, Gerard A. Acket | 1998-09-29 |
| 5813752 | UV/blue LED-phosphor device with short wave pass, long wave pass band pass and peroit filters | Barry M. Singer, Leendert Vriens | 1998-09-29 |
| 5811154 | Method of coating a luminescent material | Volker Weiler, Annette Johnen, Johannes A. F. Peek, Wilhelmus M. P. Van Kemenade | 1998-09-22 |
| 5498369 | Method of manufacturing ZnS particles | Michael Bredol, Jacqueline Merikhi | 1996-03-12 |
| 5387436 | Method of coating red-luminescing phosphor particles with hematite | Guido Hutten, Michael Bredol, Ulrich Kynast, Thomas Rink | 1995-02-07 |