Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8858302 | Retainer rings of chemical mechanical polishing apparatus and methods of manufacturing the same | — | 2014-10-14 |
| 7559824 | Chemical mechanical polishing devices, pad conditioner assembly and polishing pad conditioning method thereof | Moo-Yong Park, Tai-hyoung Kim, Dong Il Kim | 2009-07-14 |