Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362232 | Polishing pad and method for preparing semiconductor device using the same | Jong Wook YUN, Hyeyoung HEO, Kyung Hwan Kim | 2025-07-15 |
| 11964360 | Polishing pad comprising window similar in hardness to polishing layer | Sunghoon YUN, Joonsung Ryou, Jang Won SEO | 2024-04-23 |
| 11772236 | Porous polishing pad and process for producing the same all fees | Hye Young HEO, Jang Won SEO, Jong Wook YUN, Sunghoon YUN | 2023-10-03 |
| 11766759 | Porous polyurethane polishing pad and process for producing the same | Hye Young HEO, Jang Won SEO, Jong Wook YUN, Sunghoon YUN | 2023-09-26 |
| 11628535 | Polishing pad, method for manufacturing polishing pad, and polishing method applying polishing pad | Jang Won SEO, Jong Wook YUN, Sunghoon YUN, Hye Young HEO, Su Young Moon | 2023-04-18 |
| 11571783 | Polishing pad having excellent airtightness | Sunghoon YUN, Jang Won SEO, Jong Wook YUN, Hye Young HEO | 2023-02-07 |
| 11534888 | Polishing pad with improved fluidity of slurry and process for preparing same | Sunghoon YUN, Jang Won SEO, Hye Young HEO, Jong Wook YUN, Su Young Moon | 2022-12-27 |
| 11267098 | Leakage-proof polishing pad and process for preparing the same | Sunghoon YUN, Jang Won SEO, Tae-Kyoung Kwon, Jong Wook YUN, Hye Young HEO | 2022-03-08 |
| 11000935 | Polishing pad that minimizes occurrence of defects and process for preparing the same | Sunghoon YUN, Hye Young HEO, Jong Wook YUN, Jang Won SEO | 2021-05-11 |
| 10518383 | Porous polyurethane polishing pad and process for preparing a semiconductor device by using the same | Jang Won SEO, Sunghoon YUN, Su Young Moon, Myung-Ok Kyun | 2019-12-31 |
| 10513007 | Porous polyurethane polishing pad and process for preparing a semiconductor device by using the same | Jang Won SEO, Sunghoon YUN, Su Young Moon, Myung-Ok Kyun | 2019-12-24 |