Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6290874 | Display screen comprising a metal oxide-containing phosphor composition | Friederike Picht, Wolfram Czarnojan, Hans-Otto Jungk, Gerard H. J. Van Iersel, Pierre Cobben +1 more | 2001-09-18 |
| 6010779 | Phosphor composition comprising fine-grain and coarse-grain SiO.sub.2 particles | Friederike Picht, Jacqueline Merikhi, Joachim Opitz, Hans-Otto Jungk, Jan W. G. de Bakker +2 more | 2000-01-04 |