Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4604637 | Light-emitting diode suitable as a pressure sensor | Wolfgang Ruhle | 1986-08-05 |
| 4540451 | Method for manufacturing a luminescent diode having a high frequency and high limit frequency for its modulation capability | Siegfried Leibenzeder | 1985-09-10 |
| 4531142 | Light emitting diode having silicon carbide layers | Guenther Ziegler, Ludwig Hoffmann, Dietmar Theis | 1985-07-23 |
| 4406913 | Solar cell with increased efficiency | — | 1983-09-27 |