Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11427759 | Etchant compositions for metal-containing films and methods of manufacturing integrated circuit devices using the etchant compositions | Kihun Song, Jungmin OH, Hyosan Lee, Minjung Kim, Jongwook Baek | 2022-08-30 |
| 11168253 | Silicon layer etchant composition and method of forming pattern by using the same | Changsu Jeon, Jungmin OH, Hyosan Lee, Hoon Han, Jinkyu ROH +1 more | 2021-11-09 |