Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11534887 | Polishing pad and method for preparing semiconductor device using same | Jangwon Seo, Eun Sun Joeng | 2022-12-27 |
| 11534888 | Polishing pad with improved fluidity of slurry and process for preparing same | Sunghoon YUN, Jang Won SEO, Hye Young HEO, Jaein Ahn, Su Young Moon | 2022-12-27 |
| 11400559 | Polishing pad, process for preparing the same, and process for preparing a semiconductor device using the same | Eun Sun Joeng, Sunghoon YUN, Jang Won SEO | 2022-08-02 |
| 11279825 | Composition for polishing pad, polishing pad and preparation method thereof | Eun Sun Joeng, Hye Young HEO, Jang Won SEO | 2022-03-22 |
| 11267098 | Leakage-proof polishing pad and process for preparing the same | Sunghoon YUN, Jang Won SEO, Tae-Kyoung Kwon, Jaein Ahn, Hye Young HEO | 2022-03-08 |