Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7011936 | Photomask and method of structuring a photoresist by double exposure with imaging auxiliary structures and different exposure tools | Christoph Nolscher, Armin Semmler | 2006-03-14 |
| 6800407 | Method for experimentally verifying imaging errors in photomasks | Ernst-Christian Richter, Ulrich Scheler, Michael Sebald | 2004-10-05 |
| 6696208 | Method for experimentally verifying imaging errors in optical exposure units | Ernst-Christian Richter, Ulrich Scheler, Michael Sebald | 2004-02-24 |
| 6686098 | Lithography method and lithography mask | Christoph Friedrich, Carsten Fülber, 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 | Wolfgang Henke, Carsten Fülber | 2003-09-16 |
| 5747388 | Antireflection layer and process for lithographically structuring a layer | Karl-Heinz Kusters, Paul Kupper, Hellmut Joswig | 1998-05-05 |
| 4890356 | Hinge for the connection of the shaft of a temple with a hinge piece of spectacle frames as well as a process for the production of such a hinge | Joachim Baum | 1990-01-02 |
| 4758450 | Object coated with plastic and process for producing it | Theodor Fessel | 1988-07-19 |
| 4685781 | Spectacles with fastening device | Helmut Wiedmann | 1987-08-11 |