Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10766117 | Retaining ring with shaped surface | Hung Chih Chen, Steven M. Zuniga, Charles C. Garretson, Douglas R. McAllister, Jian Lin +12 more | 2020-09-08 |
| 10651098 | Polishing with measurement prior to deposition of outer layer | Tomohiko Kitajima, Jeffrey Drue David, Jun Qian, Taketo Sekine, Garlen C. Leung | 2020-05-12 |