Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378693 | Crystal piece of monocrystalline silicon | Sergiy BALANETSKYY, Toni Lehmann, Dirk Zemke | 2025-08-05 |
| 12359342 | Method for pulling a single crystal of silicon in accordance with the Czochralski method | Walter Heuwieser, Michael SKROBANEK | 2025-07-15 |
| 11905617 | Method for producing semiconductor wafers of monocrystalline silicon by pulling a single silicon crystal from a melt contained in a crucible and continually changing the rotational direction of the crucible | Walter Heuwieser, Juergen Vetterhoeffer | 2024-02-20 |
| 11621330 | Semiconductor wafer of monocrystalline silicon and method of producing the semiconductor wafer | Andreas Sattler, Alexander Vollkopf | 2023-04-04 |
| 11417733 | Semiconductor wafer of monocrystalline silicon and method of producing the semiconductor wafer | Andreas Sattler, Alexander Vollkopf | 2022-08-16 |
| 10731271 | Silicon wafer with homogeneous radial oxygen variation | Walter Heuwieser, Michael SKROBANEK | 2020-08-04 |