Issued Patents 2023
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |