Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6208069 | Low-pressure mercury discharge lamp for tanning | Thomas Justel, Cornelis Reinder Ronda, Dick Van Der Voort, Cornelis Jojakim Jalink | 2001-03-27 |
| 6184618 | Luminescent material | Thomas Justel, Cornelis Reinder Ronda, Johannes T. W. De Hair | 2001-02-06 |
| 6165631 | Diode-addressed color display with lanthanoid phosphors | Herbert Friedrich Boerner, Thomas Justel | 2000-12-26 |
| 6084250 | White light emitting diode | Thomas Justel, Cees RONDA | 2000-07-04 |
| 6051925 | Diode-addressed color display with molecular phosphor | Herbert Friedrich Boerner, Thomas Justel, Cornelis Reinder Ronda | 2000-04-18 |
| 5998047 | Aluminate phosphor with a polyphosphate coating | Helmut Bechtel, Wolfram Czarnojan, Walter Mayr, Thomas Justel, Cornelis Rhonda | 1999-12-07 |
| 5955836 | Organic electroluminescent component with exciplex formed from a mixed layer of a mixture of hole transporting and electron transporting organic material | Herbert Friedrich Boerner, Wolfgang Busselt, Thomas Justel | 1999-09-21 |