Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7486576 | Methods and devices for preventing data stored in memory from being read out | Jong-Hyun Choi, Kyu-Chan Lee, Young-Hun Seo | 2009-02-03 |
| 7408826 | Semiconductor memory device | Jong-Hyun Choi, Nam-Jong Kim | 2008-08-05 |
| 7365571 | Input buffer with wide input voltage range | Hyung-Dong Kim, Jung Sik Kim | 2008-04-29 |
| 7260002 | Methods and devices for preventing data stored in memory from being read out | Jong-Hyun Choi, Kyu-Chan Lee, Young-Hun Seo | 2007-08-21 |
| 7180808 | Semiconductor memory device for performing refresh operation | Jong-Hyun Choi, Young-Hun Seo | 2007-02-20 |
| 6798709 | Memory device having dual power ports and memory system including the same | Jae-Yoon Sim | 2004-09-28 |
| 6788596 | Failed cell address programming circuit and method for programming failed cell address | Jae Hoon Kim, Hyo Jin Oh | 2004-09-07 |
| 6490211 | Random access memory device | Gi-Hong Kim | 2002-12-03 |
| 6404693 | Integrated circuit memory devices that select sub-array blocks and input/output line pairs based on input/output bandwidth, and methods of controlling same | Jong-Hyun Choi | 2002-06-11 |
| 6381188 | DRAM capable of selectively performing self-refresh operation for memory bank | Jong-Hyun Choi, Jong-Sik Na | 2002-04-30 |
| 6337823 | Random access memory device capable of minimizing sensing noise | Gi-Hong Kim | 2002-01-08 |
| 6055194 | Method and apparatus for controlling column select lines in a synchronous memory device | Sei Seung Yoon | 2000-04-25 |
| 5965994 | Automatic vertical moving systems and control methods therefor | — | 1999-10-12 |
| 5959936 | Column select line enable circuit for a semiconductor memory device | Tae-seong Jang | 1999-09-28 |
| 5886933 | Boost voltage generator for controlling a memory cell array | Hyung-Dong Kim | 1999-03-23 |
| 5812466 | Column redundancy circuit for a semiconductor memory device | Jung-Hwa Lee, Jin-Man Han | 1998-09-22 |
| 5796668 | Integrated circuit memory devices having reduced write cycle times and related methods | Hong-Sun Hwang | 1998-08-18 |
| 5783480 | Layout method for semiconductor memory device obtaining high bandwidth and signal line | Se-Jin Jeong | 1998-07-21 |
| 5781494 | Voltage pumping circuit for semiconductor memory device | Yong-Cheol Bae, Sei Seung Yoon | 1998-07-14 |
| 5777934 | Semiconductor memory device with variable plate voltage generator | Sang-Bo Lee | 1998-07-07 |
| 5768174 | Integrated circuit memory devices having metal straps to improve word line driver reliability | Hyung-Dong Kim | 1998-06-16 |
| 5677881 | Semiconductor memory device having a shortened test time and contol method therefor | Tae-seong Jang | 1997-10-14 |
| 5677886 | Sense amplifier circuit in semiconductor memory device | Sei Seung Yoon, Se-Jin Jeong | 1997-10-14 |
| 5629894 | Memory module having read-modify-write function | Soo-In Cho, Seung-Moon Yoo | 1997-05-13 |
| 5621679 | Semiconductor memory device for achieving high bandwidth and method for arranging signal lines therefor | Se-Jin Jeong | 1997-04-15 |