Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9601719 | Light source having an outsource device | Horst Greiner, Hans-Peter Loebl, Gerardus Henricus Rietjens | 2017-03-21 |
| 9349994 | Light emitting device with improved internal out-coupling and method of providing the same | Gerardus Henricus Rietjens, Joanna Maria Elisabeth Baken, Johannes 'T Hart, Hans-Peter Loebl | 2016-05-24 |
| 8729574 | Light emitting device based on OLEDs | Hans-Peter Loebl | 2014-05-20 |
| 7687997 | UVC/VUV dielectric barrier discharge lamp with reflector | Georg Greuel, Thomas Juestel, Wolfgang Schiene | 2010-03-30 |
| 7045947 | Vacuum display device | Nijs Cornelis Van Der Vaart, Martin Gerard Hendrik Hiddink, Siebe Tjerk De Zwart, Antonius H. M. Holtslag, Theunis S. Baller +1 more | 2006-05-16 |
| 7019450 | Cathode ray tube with a particle-particle cathode coating | David Barratt, Christopher Goodhand, Detlef Raasch, Petrus Arthur Marie Van Der Heide, Timothy John Lee | 2006-03-28 |
| 6833659 | Cathode ray tube comprising a cathode of a composite material | Petrus Arthur Marie Van Der Heide, Wyndham Michael Johnstone | 2004-12-21 |
| 6680574 | Gas discharge lamp comprising an oxide emitter electrode | Wim Van Den Hoek | 2004-01-20 |
| 6600257 | Cathode ray tube comprising a doped oxide cathode | Detlef Raasch | 2003-07-29 |