Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7638838 | Semiconductor device with substantial driving current and decreased junction leakage current | Sang Don Lee | 2009-12-29 |
| 7615449 | Semiconductor device having a recess channel transistor | Sang Don Lee | 2009-11-10 |
| 7592210 | Semiconductor device with increased channel area and decreased leakage current | Sang Don Lee | 2009-09-22 |
| 7459358 | Method for fabricating a semiconductor device | Sang Don Lee | 2008-12-02 |
| 7432162 | Semiconductor device with substantial driving current and decreased junction leakage current | Sang Don Lee | 2008-10-07 |
| 6949447 | Method for fabricating isolation layer in semiconductor device | Sang Tae Ahn, Hyun-Chul Sohn | 2005-09-27 |