Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788599 | Auto precharge apparatus having autoprecharge gapless function protecting circuit in semiconductor memory device | — | 2004-09-07 |
| 6731560 | Refresh apparatus for semiconductor memory device, and refresh method thereof | Jae Jin Lee, Sang-Hee Kang, Chul-Ho Kim | 2004-05-04 |