Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378693 | Crystal piece of monocrystalline silicon | Sergiy BALANETSKYY, Karl Mangelberger, Dirk Zemke | 2025-08-05 |
| 12227870 | Fused quartz crucible for producing silicon crystals, and method for producing a fused quartz crucible | Dirk Zemke | 2025-02-18 |