Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7537942 | Counting circuit for controlling an off-chip driver and method of changing and output current value of the off-chip driver using the same | Kang Youl Lee | 2009-05-26 |
| 7463053 | Semiconductor memory device for internally controlling strength of output driver | — | 2008-12-09 |
| 7453753 | Semiconductor memory apparatus | — | 2008-11-18 |
| 7355448 | Semiconductor memory device for internally controlling strength of output driver | — | 2008-04-08 |
| 7302029 | Counting circuit for controlling an off-chip driver and method of changing an output current value of the off-chip driver using the same | Kang Youl Lee | 2007-11-27 |
| 7298189 | Delay locked loop circuit | Yong Gu Kang | 2007-11-20 |
| 7263014 | Semiconductor memory device having N-bit prefetch type and method of transferring data thereof | — | 2007-08-28 |
| 7236420 | Memory chip architecture having non-rectangular memory banks and method for arranging memory banks | — | 2007-06-26 |
| 7173478 | Voltage booster circuit | — | 2007-02-06 |
| 7142028 | Clock duty ratio correction circuit | — | 2006-11-28 |
| 7142467 | Synchronous semiconductor memory device | — | 2006-11-28 |
| 7061824 | Address buffer circuit for memory device | — | 2006-06-13 |
| 6643218 | Precharge control signal generator, and semiconductor memory device using the same | — | 2003-11-04 |
| 6532184 | Precharge control signal generator, and semiconductor memory device using the same | — | 2003-03-11 |
| 6285610 | Burn-in test circuit | — | 2001-09-04 |
| 6166980 | Refresh controller in semiconductor memory | — | 2000-12-26 |
| 6150860 | Internal voltage generator | — | 2000-11-21 |
| 5905392 | Auto-refresh control circuit for semiconductor device | — | 1999-05-18 |
| 5764652 | Repair circuit of semiconductor memory device | — | 1998-06-09 |
| 5666074 | Sense amplifier power supply circuit | — | 1997-09-09 |