Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378693 | Crystal piece of monocrystalline silicon | Sergiy BALANETSKYY, Toni Lehmann, Karl Mangelberger | 2025-08-05 |
| 12227870 | Fused quartz crucible for producing silicon crystals, and method for producing a fused quartz crucible | Toni Lehmann | 2025-02-18 |
| 8323403 | SOI wafer and method for producing it | Dieter Graef, Markus Blietz, Reinhold Wahlich, Alfred Miller | 2012-12-04 |
| 7394129 | SOI wafer and method for producing it | Dieter Graf, Markus Blietz, Reinhold Wahlich, Alfred Miller | 2008-07-01 |
| 6350314 | Process for producing nitrogen-doped semiconductor wafers | Wilfried von Ammon, Herbert Weidner, Christoph Frey | 2002-02-26 |