Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597622 | Apparatus and method for operation of multi-bank semiconductor memory device with an up/down counter | Joo-Sang Lee | 2003-07-22 |
| 6542426 | Cell data protection circuit in semiconductor memory device and method of driving refresh mode | Tae-Hyung Jung | 2003-04-01 |
| 6531709 | Semiconductor wafer and fabrication method of a semiconductor chip | Jae Woon Kim | 2003-03-11 |