Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7172838 | Chromeless phase mask layout generation | Juan Andres Torres Robles, Franklin Mark Schellenberg | 2007-02-06 |
| 6691052 | Apparatus and methods for generating an inspection reference pattern | — | 2004-02-10 |
| 6664010 | OPC method for generating corrected patterns for a phase-shifting mask and its trimming mask and associated device and integrated circuit configuration | Marco Ahrens, Juergen Knobloch, Rainer Zimmermann | 2003-12-16 |
| 6466373 | Trimming mask with semitransparent phase-shifting regions | Rainer Pforr, Christoph Friedrich, Klaus Ergenzinger, Fritz Gans, Uwe Griesinger +1 more | 2002-10-15 |
| 5679483 | Embedded phase shifting photomasks and method for manufacturing same | — | 1997-10-21 |
| 5634230 | Apparatus and method for cleaning photomasks | — | 1997-06-03 |
| 5500970 | Automatic toothbrush | Andreas Maurer | 1996-03-26 |
| 4795347 | Process and device for the cleaning of teeth | — | 1989-01-03 |
| 4547076 | Method and apparatus for making soft-ice in small quantities | — | 1985-10-15 |
| 4205535 | Household soft-ice-cream machine | — | 1980-06-03 |