Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10273597 | Method of manufacturing CZ silicon wafers, and method of manufacturing a semiconductor device | Johannes Freund, Helmut Oefner, Hans-Joachim Schulze | 2019-04-30 |
| 10263101 | Semiconductor device with deep diffusion region | Peter Irsigler, Hans-Joachim Schulze | 2019-04-16 |