Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8882912 | Method and system for forming a silicon ingot using a low-grade silicon feedstock | Fritz Kirscht, Matthias Heuer, Dieter Linke, Jean Patrice Rakotoniana, Kamel Ounadjela | 2014-11-11 |
| 8847241 | Surface-emitting semiconductor light-emitting diode | Bernd Kloth, Torsten Trenkler | 2014-09-30 |
| 7955433 | Method and system for forming a silicon ingot using a low-grade silicon feedstock | Fritz Kirscht, Matthias Heuer, Dieter Linke, Jean Patrice Rakotoniana, Kamel Ounadjela | 2011-06-07 |
| 7887633 | Germanium-enriched silicon material for making solar cells | Fritz Kirscht, Matthias Heuer, Anis Jouini, Dieter Linke, Martin Kaes +2 more | 2011-02-15 |
| 7651566 | Method and system for controlling resistivity in ingots made of compensated feedstock silicon | Fritz Kirscht, Matthias Heuer, Dieter Linke, Jean Patrice Rakotoniana, Kamel Ounadjela | 2010-01-26 |