Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7550303 | Systems and methods for overlay shift determination | Patricia Argandona, Andrew Lu, Helen Wang | 2009-06-23 |
| 7084427 | Systems and methods for overlay shift determination | Patricia Argandona, Andrew Lu, Helen Wang | 2006-08-01 |