Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6757640 | Method and apparatus for determining and assessing chamber inconsistency in a tool | Hung-Jen Weng | 2004-06-29 |
| 6537834 | Method and apparatus for determining and assessing chamber inconsistency in a tool | Hung-Jen Weng | 2003-03-25 |