Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5712557 | Constant current supply circuit with stabilization based on voltage and current ratios relative to a reference voltage and a related control current | Holger Gehrt, Wolfgang Schnitt, Joachim Utzig | 1998-01-27 |
| 4724405 | Modulator | Karl-Heinz Matthies | 1988-02-09 |