Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8247299 | Flash memory device and fabrication method thereof | Phil Soon Jang | 2012-08-21 |
| 7696554 | Flash memory device | Sang-Hyun Oh, Hee Youl Lee | 2010-04-13 |
| 7414871 | Program control circuit of flash memory device having MLC and method thereof | Hee Youl Lee | 2008-08-19 |
| 7316955 | Method of manufacturing semiconductor device | Sang-Hyun Oh, Hee Youl Lee | 2008-01-08 |
| 7259976 | Program control circuit of flash memory device having MLC and method thereof | Hee Youl Lee | 2007-08-21 |
| 7169670 | Method of forming gate oxide layer in semiconductor device | Min Kyu Lee, Jum Soo Kim, Jung Ryul Ahn | 2007-01-30 |
| 7109109 | Contact plug in semiconductor device and method of forming the same | Sung Bo Shim | 2006-09-19 |
| 7034360 | High voltage transistor and method of manufacturing the same | Yong Wook Kim, Dong Kee Lee | 2006-04-25 |
| 6465302 | Method of manufacturing a flash memory device | Byung Jin Ahn, Ju Yeab Lee | 2002-10-15 |
| 6407947 | Method of erasing a flash memory device | Byung Jin Ahn | 2002-06-18 |
| 6339006 | Flash EEPROM cell and method of manufacturing the same | Min Kyu Lee, Hee Youl Lee, Dong Kee Lee | 2002-01-15 |
| 5536668 | Method of manufacturing a virtual ground split gate nonvolatile memory device | Jae C. An | 1996-07-16 |