Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9799496 | Edge exclusion control with adjustable plasma exclusion zone ring | Keechan Kim | 2017-10-24 |
| 9184030 | Edge exclusion control with adjustable plasma exclusion zone ring | Keechan Kim | 2015-11-10 |