Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12162114 | Polishing pad, manufacturing method thereof and preparing method of semiconductor device using the same | Jong Wook YUN, Jae In AHN, Eun Sun Joeng, Jang Won SEO | 2024-12-10 |
| 12076832 | Polishing pad with improved crosslinking density and process for preparing the same | Jong Wook YUN, Eun Sun Joeng, Jang Won SEO | 2024-09-03 |
| 11951591 | Polishing pad, method for producing the same and method of fabricating semiconductor device using the same | Jang Won SEO, Jae In AHN, Jong Wook YUN | 2024-04-09 |
| 11931856 | Polishing pad, process for preparing the same, and process for preparing a semiconductor device using the same | Sunghoon YUN, Jang Won SEO | 2024-03-19 |
| 11772236 | Porous polishing pad and process for producing the same all fees | Jang Won SEO, Jong Wook YUN, Sunghoon YUN, Jaein Ahn | 2023-10-03 |
| 11766759 | Porous polyurethane polishing pad and process for producing the same | Jang Won SEO, Jong Wook YUN, Sunghoon YUN, Jaein Ahn | 2023-09-26 |
| 11724356 | Porous polyurethane polishing pad and preparation method thereof | Jang Won SEO, Hyuk Hee HAN, Joonsung Ryou, Young Pil Kwon | 2023-08-15 |
| 11642752 | Porous polyurethane polishing pad and process for preparing the same | Jang Won SEO, Hyuk Hee HAN, Joonsung Ryou, Young Pil Kwon | 2023-05-09 |
| 11628535 | Polishing pad, method for manufacturing polishing pad, and polishing method applying polishing pad | Jaein Ahn, Jang Won SEO, Jong Wook YUN, Sunghoon YUN, Su Young Moon | 2023-04-18 |
| 11571783 | Polishing pad having excellent airtightness | Sunghoon YUN, Jang Won SEO, Jaein Ahn, Jong Wook YUN | 2023-02-07 |
| 11548970 | Composition for a polishing pad, polishing pad, and process for preparing the same | Eun Sun Joeng, Jang Won SEO, Jong Wook YUN | 2023-01-10 |
| 11534888 | Polishing pad with improved fluidity of slurry and process for preparing same | Sunghoon YUN, Jang Won SEO, Jong Wook YUN, Jaein Ahn, Su Young Moon | 2022-12-27 |
| 11325222 | Porous polyurethane polishing pad and method for manufacturing same | Jang Won SEO, Hyuk Hee HAN | 2022-05-10 |
| 11298795 | Polishing pad, process for preparing the same, and process for preparing a semiconductor device using the same | Sunghoon YUN, Jang Won SEO | 2022-04-12 |
| 11279825 | Composition for polishing pad, polishing pad and preparation method thereof | Eun Sun Joeng, Jang Won SEO, Jong Wook YUN | 2022-03-22 |
| 11267098 | Leakage-proof polishing pad and process for preparing the same | Sunghoon YUN, Jang Won SEO, Tae-Kyoung Kwon, Jaein Ahn, Jong Wook YUN | 2022-03-08 |
| 11207757 | Composition for polishing pad, polishing pad and preparation method of semiconductor device | Eun Sun Joeng, Jong Wook YUN, Jang Won SEO | 2021-12-28 |
| 11000935 | Polishing pad that minimizes occurrence of defects and process for preparing the same | Sunghoon YUN, Jong Wook YUN, Jang Won SEO, Jaein Ahn | 2021-05-11 |