Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8148267 | Method of forming isolation layer of semiconductor memory device | Whee Won Cho | 2012-04-03 |
| 7611964 | Method of forming isolation layer of semiconductor memory device | Whee Won Cho, Eun Soo Kim | 2009-11-03 |