Issued Patents 2023
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11850703 | Method of forming retaining ring with shaped surface | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Jian Lin +12 more | 2023-12-26 |
| 11648639 | Polishing jig assembly for a new or refurbished electrostatic chuck | William M. Lu, Wendell Glenn Boyd, Jr. | 2023-05-16 |
| 11577361 | Retaining ring with shaped surface and method of forming | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Jian Lin +12 more | 2023-02-14 |