Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396081 | Light source for generating a visible light | Helmut Tews, Henning Riechert | 2002-05-28 |
| 5994722 | Image display device that emits multicolored light | Helmut Tews | 1999-11-30 |
| 5980631 | Method for manufacturing III-V semiconductor layers containing nitrogen | Helmut Tews, Meinrad Schienle | 1999-11-09 |