Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12330260 | Polishing pad with secondary window seal | Yongqi Hu, Simon Yavelberg, Periya Gopalan, Christopher R. Mahon | 2025-06-17 |
| 11618124 | Polishing pad with secondary window seal | Yongqi Hu, Simon Yavelberg, Periya Gopalan, Christopher R. Mahon | 2023-04-04 |
| 10744618 | Polishing pad with secondary window seal | Yongqi Hu, Simon Yavelberg, Periya Gopalan, Christopher R. Mahon | 2020-08-18 |
| 9731397 | Polishing pad with secondary window seal | Yongqi Hu, Simon Yavelberg, Periya Gopalan, Christopher R. Mahon | 2017-08-15 |
| 8961266 | Polishing pad with secondary window seal | Yongqi Hu, Simon Yavelberg, Periya Gopalan, Christopher R. Mahon | 2015-02-24 |