Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5830791 | Manufacturing process for a DRAM with a buried region | Chang Jae Lee | 1998-11-03 |
| 5766805 | Method for fabricating phase shift mask | Jun Seok Lee | 1998-06-16 |
| 5663585 | DRAM having a buried region contacted through a field region | Chang Jae Lee | 1997-09-02 |
| 5660955 | Phase shift mask and manufacturing method thereof | — | 1997-08-26 |