Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8638629 | Refresh control circuit, memory apparatus and refresh control method using the same | Sang Hui Michael Kim | 2014-01-28 |
| 8345493 | Semiconductor memory device | — | 2013-01-01 |
| 7978537 | Semiconductor memory device and driving method thereof | — | 2011-07-12 |
| 7888992 | Circuit and method for controlling internal voltage | — | 2011-02-15 |
| 7813200 | Sense amplifier control circuit for semiconductor memory device and method for controlling sense amplifier control circuit | — | 2010-10-12 |
| 7733736 | Semiconductor memory device for driving a word line | Hi-Hyun Han, Chang-Hyuk Lee | 2010-06-08 |
| 7633822 | Circuit and method for controlling sense amplifier of a semiconductor memory apparatus | — | 2009-12-15 |
| 7583547 | Over-driving circuit in semiconductor memory device | Chae Kyu Jang | 2009-09-01 |
| 7515492 | Semiconductor memory device | — | 2009-04-07 |
| 7388804 | Semiconductor memory device for driving a word line | Hi-Hyun Han, Chang-Hyuk Lee | 2008-06-17 |
| 7184342 | Semiconductor memory device having enhanced sense amplifier | — | 2007-02-27 |