Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10411155 | Method of producing optoelectronic semiconductor chips | Alexander Frey, Joachim Hertkorn, Berthold Hahn | 2019-09-10 |
| 10354865 | Method for producing a nitride compound semiconductor device | Joachim Hertkorn, Alexander Frey | 2019-07-16 |