Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6555865 | Nonvolatile semiconductor memory device with a multi-layer sidewall spacer structure and method for manufacturing the same | Woon-Kyung Lee | 2003-04-29 |
| 6507522 | Method for erasing memory cells in a nonvolatile memory | Chan-Jo Lee, Yun Heub Song, Seung-Keun Lee | 2003-01-14 |