Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8045385 | Methods of operating nonvolatile memory devices to inhibit parasitic charge accumulation therein | Chang-Hyun Lee, Jung-Dal Choi, Young-Ho Lim | 2011-10-25 |
| 7864582 | Nonvolatile memory devices and methods of operating same to inhibit parasitic charge accumulation therein | Chang-Hyun Lee, Jung-Dal Choi, Young-Ho Lim | 2011-01-04 |
| 7099196 | Flash memory device and program verification method thereof | Yeong-Tack Lee, Jin-Wook Lee | 2006-08-29 |
| 6965964 | Nand flash memory device | Yeong-Taek Lee | 2005-11-15 |
| 5986947 | Charge pump circuits having floating wells | Ki-Hwan Choi, Seung-Keun Lee | 1999-11-16 |
| 5909405 | Nonvolatile semiconductor memory | Hyong-Gon Lee, Heung-Soo Im | 1999-06-01 |
| 5790458 | Sense amplifier for nonvolatile semiconductor memory device | Sung-Soo Lee | 1998-08-04 |
| 5768188 | Multi-state non-volatile semiconductor memory and method for driving the same | Jong-Wook Park | 1998-06-16 |
| 5661682 | Nonvolatile semiconductor memory device | Young-Ho Lim | 1997-08-26 |
| 5617353 | Nonvolatile semiconductor memory device | Young-Ho Lim | 1997-04-01 |
| 5568420 | Nonvolatile semiconductor memory device | Young-Ho Lim | 1996-10-22 |
| 5546341 | Nonvolatile semiconductor memory | Jin-Ki Kim, Jeong-Hyeok Choi | 1996-08-13 |
| 5541879 | Nonvolatile semiconductor memory having program verifying circuit | Jin-Ki Kim, Jeong-Hyeok Choi | 1996-07-30 |
| 5473563 | Nonvolatile semiconductor memory | Jin-Ki Kim, Jeong-Hyeok Choi | 1995-12-05 |
| 5472892 | Method of making a non-volatile floating gate memory device with peripheral transistor | Ki-Ho Gwen, Jeong-Hyuk Choi | 1995-12-05 |
| 5434814 | Circuit for repairing defective read only memories with redundant NAND string | Sung-Hee Cho, Hyong-Gon Lee, Jae-Yeong Do | 1995-07-18 |
| 5299162 | Nonvolatile semiconductor memory device and an optimizing programming method thereof | Jin-Ki Kim | 1994-03-29 |
| 5299166 | Device for preventing excess erasing of a NAND-type flash memory and method thereof | Jin-Ki Kim | 1994-03-29 |