Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8586396 | Method for producing a silicon solar cell with a back-etched emitter as well as a corresponding solar cell | Giso Hahn, Helge Haverkamp, Bernd Raabe, Felix Book | 2013-11-19 |