Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5719428 | High-frequency semiconductor device with protection device | Louis Praamsma | 1998-02-17 |
| 4697199 | Semiconductor protection device having a bipolar transistor and an auxiliary field effect transistor | Hendrik C. De Graaff | 1987-09-29 |
| 4489338 | Memory cell with thick oxide at least as deep as channel stop | — | 1984-12-18 |