Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7647569 | Systems, methods, and computer-readable media for adjusting layout database hierarchies for more efficient database processing and storage | Hao Chen, Stephen M. Krazit | 2010-01-12 |
| 5885734 | Process for modifying a hierarchical mask layout | Christophe Pierrat | 1999-03-23 |
| 5801954 | Process for designing and checking a mask layout | Christophe Pierrat | 1998-09-01 |
| 5686208 | Process for generating a phase level of an alternating aperture phase shifting mask | Christophe Pierrat | 1997-11-11 |