Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9803108 | Aqueous compositions of stabilized aminosilane group containing silica particles | Yi Guo, David L. Thorsen | 2017-10-31 |
| 9783702 | Aqueous compositions of low abrasive silica particles | Yi Guo, Matthew Van Hanehem | 2017-10-10 |
| 9534148 | Method of polishing semiconductor substrate | Yi Guo | 2017-01-03 |