Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10957767 | Semiconductor device, silicon wafer and method of manufacturing a silicon wafer | Helmut Oefner, Hans-Joachim Schulze | 2021-03-23 |
| 10910475 | Method of manufacturing a silicon wafer | Hans-Joachim Schulze | 2021-02-02 |