Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281336 | Thyristor element with short turn-off time and method for producing such element | Alois Sonntag | 1981-07-28 |
| 4220962 | Surface passivated semiconductor device and method for producing the same | Werner Kohler | 1980-09-02 |