Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12415955 | Etchant composition for silicon layer and etching method using the same | Hak Soo Kim, Gi-Young Kim, Myung Ho Lee, Myung Geun Song | 2025-09-16 |
| 12173216 | Etchant composition for semiconductor substrates | Hak Soo Kim, Myung Ho Lee | 2024-12-24 |
| 12134723 | Etching composition | Tae Ho Kim, Gi-Young Kim, Myung Ho Lee, Myung Geun Song | 2024-11-05 |
| 12134724 | Etching composition | Tae Ho Kim, Gi-Young Kim, Myung Ho Lee, Myung Geun Song | 2024-11-05 |