Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036054 | Semiconductor memory device with improved sensing margin | — | 2011-10-11 |
| 7990788 | Refresh characteristic testing circuit and method for testing refresh using the same | Sun Jong Yoo | 2011-08-02 |