Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8342119 | Self aligning non contact shadow ring process kit | Joseph Yudovsky, Lawrence Chung-Lai Lei, Salvador P. Umotoy, Girish Dixit, Gwo-Chuan Tzu | 2013-01-01 |
| 6589352 | Self aligning non contact shadow ring process kit | Joseph Yudovsky, Lawrence Chung-Lai Lei, Salvador P. Umotoy, Girish Dixit, Gwo-Chuan Tzu | 2003-07-08 |
| 6375748 | Method and apparatus for preventing edge deposition | Joseph Yudovsky, Salvador P. Umotoy, Son Trinh, Lawrence Chung-Lai Lei, Anzhong Chang +1 more | 2002-04-23 |