Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12362232 | Polishing pad and method for preparing semiconductor device using the same | Hyeyoung HEO, Jaein Ahn, Kyung Hwan Kim | 2025-07-15 |
| 12258460 | Polishing pad and method of fabricating semiconductor device using the same | Eun Sun Joeng, Jang Won SEO, Yong-Ju Jeong, Seung Kyun Kim | 2025-03-25 |
| 12246408 | Polishing pad and method of fabricating semiconductor device using the same | Eun Sun Joeng, Jang Won SEO | 2025-03-11 |
| 12162114 | Polishing pad, manufacturing method thereof and preparing method of semiconductor device using the same | Jae In AHN, Eun Sun Joeng, Hye Young HEO, Jang Won SEO | 2024-12-10 |
| 12122013 | Composition for polishing pad and polishing pad | Jang Won SEO, Hyeyoung HEO, Eun Sun Joeng | 2024-10-22 |
| 12076832 | Polishing pad with improved crosslinking density and process for preparing the same | Eun Sun Joeng, Hye Young HEO, Jang Won SEO | 2024-09-03 |
| 11951591 | Polishing pad, method for producing the same and method of fabricating semiconductor device using the same | Hye Young HEO, Jang Won SEO, Jae In AHN | 2024-04-09 |
| 11772236 | Porous polishing pad and process for producing the same all fees | Hye Young HEO, Jang Won SEO, Sunghoon YUN, Jaein Ahn | 2023-10-03 |
| 11766759 | Porous polyurethane polishing pad and process for producing the same | Hye Young HEO, Jang Won SEO, Sunghoon YUN, Jaein Ahn | 2023-09-26 |
| 11628535 | Polishing pad, method for manufacturing polishing pad, and polishing method applying polishing pad | Jaein Ahn, Jang Won SEO, Sunghoon YUN, Hye Young HEO, Su Young Moon | 2023-04-18 |
| 11571783 | Polishing pad having excellent airtightness | Sunghoon YUN, Jang Won SEO, Jaein Ahn, Hye Young HEO | 2023-02-07 |
| 11548970 | Composition for a polishing pad, polishing pad, and process for preparing the same | Eun Sun Joeng, Hye Young HEO, Jang Won SEO | 2023-01-10 |
| 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 |
| 11207757 | Composition for polishing pad, polishing pad and preparation method of semiconductor device | Eun Sun Joeng, Hye Young HEO, Jang Won SEO | 2021-12-28 |
| 11000935 | Polishing pad that minimizes occurrence of defects and process for preparing the same | Sunghoon YUN, Hye Young HEO, Jang Won SEO, Jaein Ahn | 2021-05-11 |
| 10239986 | Highly elastic polyester modified urethane resin and clear coat composition containing same | Yong Ho Choi, Myong Gi Choi, Bon Yi Lee, Chan Hun Kim, Jong Yun Park | 2019-03-26 |