Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9744640 | Corrosion resistant retaining rings | Gangadhar Sheelavant, Yongqi Hu | 2017-08-29 | $19,098,000 |
| 9731397 | Polishing pad with secondary window seal | Rajkumar Alagarsamy, Yongqi Hu, Periya Gopalan, Christopher R. Mahon | 2017-08-15 | $27,403,000 |
| 9731399 | Coated retaining ring | Daniel L. Martin, Jeonghoon Oh | 2017-08-15 | $27,403,000 |