Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8153483 | Semiconductor device having a vertical transistor and method for manufacturing the same | — | 2012-04-10 |
| 7902552 | Semiconductor device having a recess channel structure and method for manufacturing the same | — | 2011-03-08 |
| 7592643 | Semiconductor device having a vertical transistor and method for manufacturing the same | — | 2009-09-22 |
| 7393767 | Method for implanting a cell channel ion of semiconductor device | Won Chang Lee | 2008-07-01 |