Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11173579 | Inner retaining ring and outer retaining ring for carrier head | Mario David Silvetti, Yin Yuan, Samuel Chu-Chiang Hsu, Huanbo Zhang, Gautam Shashank Dandavate | 2021-11-16 |
| 11072049 | Polishing pad having arc-shaped configuration | — | 2021-07-27 |