Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10837120 | Method of manufacturing CZ silicon wafers, and method of manufacturing a semiconductor device | Thomas Wuebben, Helmut Oefner, Hans-Joachim Schulze | 2020-11-17 |
| 10724149 | Method of manufacturing CZ silicon wafers, and method of manufacturing a semiconductor device | Thomas Wuebben, Helmut Oefner, Hans-Joachim Schulze | 2020-07-28 |