Issued Patents All Time
Showing 151–166 of 166 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6275100 | Reference voltage generators including first and second transistors of same conductivity type and at least one switch | Tae-Sung Jung | 2001-08-14 |
| 6259628 | Memory devices with verifying input/output buffer circuits and methods of operation thereof | — | 2001-07-10 |
| 6249461 | Flash memory device with a status read operation | Ki-Hwan Choi | 2001-06-19 |
| 6222772 | Methods of performing sector erase operations on non-volatile semiconductor memory devices | Ki-Hwan Choi | 2001-04-24 |
| 6181606 | Nonvolatile integrated circuit memory devices having improved word line driving capability and methods of operating same | Ki-Hwan Choi | 2001-01-30 |
| 6166957 | Nonvolatile semiconductor memory device with a level shifter circuit | Hwi-Taek Chung | 2000-12-26 |
| 6166589 | Reference voltage generator circuit for an integrated circuit device | — | 2000-12-26 |
| 6154389 | Semiconductor memory device with a column redundancy occupying a less chip area | Hwi-Taek Chung | 2000-11-28 |
| 6151250 | Flash memory device and verify method thereof | Ki-Hwan Choi | 2000-11-21 |
| 6122194 | Semiconductor memory device with a column redundancy occupying a less chip area | Hwi-Taek Chung | 2000-09-19 |
| 6101126 | Nonvolatile semiconductor memory device with a level shifter circuit | Hwi-Taek Chung | 2000-08-08 |
| 6078522 | Non-volatile semiconductor memory device | Dong Ho Park | 2000-06-20 |
| 6064596 | Nonvolatile integrated circuit memory devices and methods of operating same | Ki-Hwan Choi | 2000-05-16 |
| 6040735 | Reference voltage generators including first and second transistors of same conductivity type | Tae-Sung Jung | 2000-03-21 |
| 6026049 | Semiconductor memory with sensing stability | — | 2000-02-15 |
| 5675538 | Non-volatile semiconductor memory device having a reference voltage applied to a sense line after data read out is complete | Young-Joon Choi | 1997-10-07 |