Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11534888 | Polishing pad with improved fluidity of slurry and process for preparing same | Jang Won SEO, Hye Young HEO, Jong Wook YUN, 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, Jong Wook YUN, Jang Won SEO | 2022-08-02 |
| 11325159 | Classifying and purifying apparatus of solid blowing agents and methods of classifying and purifying solid blowing agents | Jung Nam LEE, Tae-Kyoung Kwon, Jang Won SEO | 2022-05-10 |
| 11298795 | Polishing pad, process for preparing the same, and process for preparing a semiconductor device using the same | Hye Young HEO, Jang Won SEO | 2022-04-12 |
| 11267098 | Leakage-proof polishing pad and process for preparing the same | Jang Won SEO, Tae-Kyoung Kwon, Jaein Ahn, Jong Wook YUN, Hye Young HEO | 2022-03-08 |