Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723601 | Method for manufacturing semiconductor memory device using hemispherical grain silicon | Se Min Lee, Dong Hwan Kim | 2004-04-20 |
| 6518612 | Semiconductor memory device using hemispherical grain silicon for bottom electrodes | Se Min Lee, Dong Hwan Kim | 2003-02-11 |