Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6928016 | Refresh type semiconductor memory device having refresh circuit for minimizing refresh fail at high speed operation | Song-Won Kim | 2005-08-09 |
| 6847572 | Refresh control circuit and methods of operation and control of the refresh control circuit | Hyun Suk Lee | 2005-01-25 |