Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687128 | Power supply voltage boosting circuit of semiconductor memory device | Jae-Hyeong Lee | 1997-11-11 |
| 5657280 | Defective cell repairing circuit and method of semiconductor memory device | Choong-Sun Shin | 1997-08-12 |