Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6831860 | Nonvolatile semiconductor memory device | Byeong-Hoon Lee | 2004-12-14 |
| 6781904 | Low-voltage semiconductor memory device | Young-Ho Lim | 2004-08-24 |
| 6778000 | Integrated circuit devices that provide constant time delays irrespective of temperature variation | Doo-Seop Lee | 2004-08-17 |
| 6690227 | Charge pump circuit for use in high voltage generating circuit | Byeong-Hoon Lee, Seung Won Lee | 2004-02-10 |