Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11031529 | Wavelength converting material for a light emitting device | Christoph Martiny, Peter Josef Schmidt, Cora Sieglinde Hecht | 2021-06-08 |
| 10205066 | White phosphor converted LED with stable flux output versus temperature | Hans-Helmut Bechtel, Detlef Uwe Wiechert, Matthias Heidemann | 2019-02-12 |
| 8728835 | Light scattering by controlled porosity in optical ceramics for LEDs | Jacobus Gerardus Boerkekamp, Henricus Albertus Maria Van Hal, Johannes F. M. Cillessen | 2014-05-20 |
| 8506130 | Optical element for a light emitting device and a method of manufacturing thereof | Johannes Franciscus Maria Cillessen, Henricus Albertus Maria Van Hal, Hendrik Johannes Boudewijn Jagt | 2013-08-13 |
| 6417621 | Gas discharge lamp having ferroelectric ceramic electrodes | Detlev Hennings | 2002-07-09 |
| 5790367 | Multilayer capacitor comprising a dielectric of modified barium strontium titanate | Dieter Mateika, Petra Huppertz, Knuth Albertsen | 1998-08-04 |