Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4698661 | Encapsulating box for a power semiconductor with improved input-output insulator | Guy Bessonneau, Bernard Carnez, Henry Derewonko | 1987-10-06 |
| 4326330 | Process for producing a self-aligned grid field-effect transistor | Michel Laviron, Henri Derewonko | 1982-04-27 |
| 4267520 | Hybrid component for very high frequency amplification | Henri Derewonko, Michel Laviron | 1981-05-12 |