Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12234400 | Etchant composition for etching silicon germanium film and method of manufacturing integrated circuit device by using the same | Changjun PARK, Jaesung Lee, Jungmin OH, Sangwon BAE, Hyosan Lee | 2025-02-25 |
| 11091696 | Etching composition and method for manufacturing semiconductor device using the same | Yongtae Kim, Soojin Kim, Jung-Min Oh, Seungmin Jeon, Hayoung JEON | 2021-08-17 |
| 9368647 | Compositions for etching | Young-Taek Hong, Jinuk Lee, Jaewan Park, Chanjin Jeong, Hoon Han +11 more | 2016-06-14 |
| 9136120 | Compositions for etching and methods of forming a semiconductor device using the same | Young-Taek Hong, Jinuk Lee, Jaewan Park, Chanjin Jeong, Hoon Han +11 more | 2015-09-15 |
| 8940182 | Compositions for etching and methods of forming a semiconductor device using the same | Young-Taek Hong, Jinuk Lee, Jaewan Park, Chanjin Jeong, Hoon Han +11 more | 2015-01-27 |
| 8129322 | Photosensitive-resin remover composition and method of fabricating semiconductor device using the same | Ahn-Ho Lee, Young-Taek Hong, Hyuntak Kim, Seonghwan Park, Baiksoon Choi +2 more | 2012-03-06 |