Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11208593 | Luminescent materials | Peter Josef Schmidt, Christian Maak, Wolfgang Schnick | 2021-12-28 |
| 11031529 | Wavelength converting material for a light emitting device | Peter Josef Schmidt, Oliver Steigelmann, Cora Sieglinde Hecht | 2021-06-08 |
| 10014448 | Phosphor converted LED with temperature stable flux and saturated red color point | Matthias Heidemann, Hans-Helmut Bechtel, Peter Josef Schmidt | 2018-07-03 |
| 9105773 | Photo-detector with wavelength converter | Bernd Ackermann, Marc Salsbury, Hans-Helmut Bechtel, Matthias Heidemann | 2015-08-11 |
| 8692656 | Intrinsic flux sensing | Volkmar Schulz, Matthias Wendt | 2014-04-08 |
| 8653758 | Circuit for and a method of sensing a property of light | Harald Josef Günther Radermacher | 2014-02-18 |
| 8649004 | Light sensor and lighting device with adaptable color | Volkmar Schulz, Eduard Johannes Meijer, Peter Vergeer | 2014-02-11 |
| 8184774 | Dual-color pyrometric measurement of X-ray focal spot temperature | Rainer Pietig | 2012-05-22 |
| 8089221 | Supervision of an illumination device | Volkmar Schulz | 2012-01-03 |
| 8063577 | Method and a driver circuit for LED operation | Georg Sauerlaender, Reinhold Elferich, Bernd Ackermann, Dirk Hente, Matthias Wendt | 2011-11-22 |
| 7949100 | Dual-colour pyrometric measurement of X-ray focal spot temperature | Rainer Pietig | 2011-05-24 |
| 7504781 | Method for driving a LED based lighting device | Matthias Wendt | 2009-03-17 |