Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9679983 | Semiconductor devices including threshold voltage control regions | Mueng-Ryul Lee | 2017-06-13 |
| 8951866 | Methods of fabricating semiconductor devices and semiconductor devices including threshold voltage control regions | Mueng-Ryul Lee | 2015-02-10 |
| 8050091 | EEPROM devices and methods of operating and fabricating the same | Geun-sook Park, Soo-Cheol Lee, Ho-Ik Hwang, Tae-Jung Lee | 2011-11-01 |
| 7593261 | EEPROM devices and methods of operating and fabricating the same | Geun-sook Park, Soo-Cheol Lee, Ho-Ik Hwang, Tae-Jung Lee | 2009-09-22 |
| 7446000 | Method of fabricating semiconductor device having gate dielectrics with different thicknesses | Sun-Hak Lee, Kwang-dong Yoo, Soo-Cheol Lee, Mueng-Ryul Lee | 2008-11-04 |
| 6831863 | Array of flash memory cells and data program and erase methods of the same | Jae Seung Choi | 2004-12-14 |
| 6677638 | Nonvolatile memory device and method for fabricating the same | Jae Seung Choi | 2004-01-13 |
| 6597604 | Flash memory cell array and method for programming and erasing data using the same | Jae Seung Choi | 2003-07-22 |
| 6580103 | Array of flash memory cells and data program and erase methods of the same | Jae Seung Choi | 2003-06-17 |
| 6500716 | Method for fabricating high voltage transistor | Jae Seung Choi, Sung Youn Kim, Jung Hoon Seo | 2002-12-31 |
| 6410390 | Nonvolatile memory device and method for fabricating the same | Jae Seung Choi | 2002-06-25 |
| 6207506 | Nonvolatile memory and method for fabricating the same | Jin Won Park, Sung-chul Lee | 2001-03-27 |