Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6686098 | Lithography method and lithography mask | Gunther Czech, Christoph Friedrich, Rainer Käsmaier, Dietrich Widmann | 2004-02-03 |
| 6620559 | Photomask, method of lithographically structuring a photoresist layer with the photomask, and method of producing magnetic memory elements | Gunther Czech, Wolfgang Henke | 2003-09-16 |