Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223139 | Kernel-based fast aerial image computation for a large scale design of integrated circuit patterns | Richard A. Ferguson | 2001-04-24 |
| 6057063 | Phase shifted mask design system, phase shifted mask and VLSI circuit devices manufactured therewith | Lars Liebmann, Ioana Graur, Young Ouk Kim, Mark A. Lavin | 2000-05-02 |
| 5965306 | Method of determining the printability of photomask defects | Scott M. Mansfield, Richard A. Ferguson | 1999-10-12 |
| 5932377 | Exact transmission balanced alternating phase-shifting mask for photolithography | Richard A. Ferguson, Lars Liebmann, Scott M. Mansfield, David S. O'Grady | 1999-08-03 |