Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10518383 | Porous polyurethane polishing pad and process for preparing a semiconductor device by using the same | Jaein Ahn, Jang Won SEO, Sunghoon YUN, Myung-Ok Kyun | 2019-12-31 |
| 10513007 | Porous polyurethane polishing pad and process for preparing a semiconductor device by using the same | Jaein Ahn, Jang Won SEO, Sunghoon YUN, Myung-Ok Kyun | 2019-12-24 |
| 10434463 | Separation membrane for olefin separation and olefin separation method using the same | Jeong Hoon Kim, Bong Jun CHANG | 2019-10-08 |