Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6237128 | Method and apparatus for enabling parallel layout checking of designing VLSI-chips | Harald D. Folberth, Joachim Keinert, Jürgen Koehl, Oliver Rettig | 2001-05-22 | $28,959,000 |
| 4890238 | Method for physical VLSI-chip design | Klaus Klein, Helmut Schettler, Uwe Schulz, Otto Wagner, Rainer Zuehlke | 1989-12-26 | $15,291,000 |
| 4437022 | Monolithically integrated push-pull driver | Eddehard F. Miersch, Helmut Schettler, Rainer Zuhlke | 1984-03-13 | $13,871,000 |