Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6252809 | Semiconductor memory device capable of easily determining locations of defective memory cells by selectively isolating and testing redundancy memory cell block | — | 2001-06-26 |
| 6226218 | Row decoder driver for semiconductor memory device | — | 2001-05-01 |
| 6215721 | Multi-bank memory device and method for arranging input/output lines | — | 2001-04-10 |
| 6046950 | Sense amplifier block layout for use in a dynamic random access memory | — | 2000-04-04 |
| 6025621 | Integrated circuit memory devices having independently biased sub-well regions therein and methods of forming same | Kyu-Chan Lee | 2000-02-15 |
| 5761138 | Memory devices having a flexible redundant block architecture | Kyu-Chan Lee | 1998-06-02 |
| 5521546 | Voltage boosting circuit constructed on an integrated circuit substrate, as for a semiconductor memory device | — | 1996-05-28 |