Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755067 | Semiconductor device and fabrication method thereof | Jung Hwan Lee, Yi Chung | 2017-09-05 |
| 9281395 | Semiconductor device and fabrication method thereof | Jung Hwan Lee, Yi Chung | 2016-03-08 |
| 6989307 | Mask ROM, and fabrication method thereof | — | 2006-01-24 |
| 6734508 | Mask ROM, and fabrication method thereof | — | 2004-05-11 |
| 6518131 | Method for fabricating mask ROM | — | 2003-02-11 |
| 6509600 | Flash memory cell | — | 2003-01-21 |
| 6265265 | Flash memory cell and fabricating method thereof | — | 2001-07-24 |
| 6225164 | Semiconductor memory and method for fabricating the same | — | 2001-05-01 |
| 6222226 | Semiconductor memory device and method for manufacturing the same | — | 2001-04-24 |
| 6124170 | Method for making flash memory | Eun Jeong Park | 2000-09-26 |
| 6037221 | Device and fabricating method of non-volatile memory | Sung-chul Lee | 2000-03-14 |
| 5915176 | Method of making floating gate based memory device | — | 1999-06-22 |
| 5879989 | Method for fabricating nonvolatile memory device using disposable layer | — | 1999-03-09 |
| 5773343 | Semiconductor device having a recessed channel structure and method for fabricating the same | Sung-chul Lee | 1998-06-30 |