Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8105950 | Method for forming fine patterns using etching slope of hard mask layer in semiconductor device | Sung-Yoon Cho | 2012-01-31 |
| 7923775 | Semiconductor device and method for fabricating the same | Kwang-Ok Kim | 2011-04-12 |
| 7786020 | Method for fabricating nonvolatile memory device | Sung-Yoon Cho | 2010-08-31 |