Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831860 | Nonvolatile semiconductor memory device | Seung-Keun Lee | 2004-12-14 |
| 6828848 | Integrated circuit device capable of optimizing operating performance according to consumed power | — | 2004-12-07 |
| 6690227 | Charge pump circuit for use in high voltage generating circuit | Seung-Keun Lee, Seung Won Lee | 2004-02-10 |