Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6136645 | Fabrication method for semiconductor memory device | Chang Jae Lee | 2000-10-24 |
| 6060346 | Semiconductor device and method for manufacturing the same | Jae-Sung Roh | 2000-05-09 |
| 5874765 | Semiconductor device and method for fabricating the same | Sang Don Lee | 1999-02-23 |