Kim; Du-Eung

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kim; Du-Eung.The latest application filed is for "memory devices having crosspoint memory arrays therein with multi-level word line and bit line structures".

Company Profile

2.96.96

Kim; Du-Eung - Yongin-si KR
Kim; Du-Eung - Gyeonggi-do KR
Kim; Du-eung - Yong-si KR
Kim; Du-Eung - Suwon KR
Kim; Du-Eung - Yongin KR
Kim, Du-Eung - Yongin-City KR
Kim, Du-eung - Suwon-City KR
Kim; Du-Eung - Kyunggi-do KR

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Memory devices having crosspoint memory arrays therein with multi-level word line and bit line structures Grant 10,644,069 - Jeong , et al.	2020-05-05
Memory Devices Having Crosspoint Memory Arrays Therein With Multi-level Word Line And Bit Line Structures App 20190140022 - JEONG; JI-HYUN ; et al.	2019-05-09
Non-volatile memory device, driving method of memory controller controlling the non-volatile memory device and memory system including the memory controller and the non-volatile memory device Grant 8,995,203 - Oh , et al. March 31, 2	2015-03-31
Non-volatile memory device using variable resistance element with an improved write performance Grant 8,964,488 - Kim , et al. February 24, 2	2015-02-24
Non-Volatile Memory Device, Driving Method of Memory Controller Controlling the Non-Volatile Memory Device and Memory System Including the Memory Controller and the Non-Volatile Memory Device App 20140160857 - Oh; Young-Hoon ; et al.	2014-06-12
Semiconductor device having resistance based memory array, method of reading and writing, and systems associated therewith Grant 8,588,010 - Lee , et al. November 19, 2	2013-11-19
Phase change random access memory device and related methods of operation Grant 8,526,223 - Kim , et al. September 3, 2	2013-09-03
Semiconductor device having resistance based memory array, method of reading, and systems associated therewith Grant 8,482,994 - Lee , et al. July 9, 2	2013-07-09
Phase Change Random Access Memory Device And Related Methods Of Operation App 20130039124 - KIM; Hye-jin ; et al.	2013-02-14
Phase change random access memory device and related methods of operation Grant 8,320,168 - Kim , et al. November 27, 2	2012-11-27
Nonvolatile memory device using variable resistive element Grant 8,264,905 - Choi , et al. September 11, 2	2012-09-11
Non-volatile Memory Device Using Variable Resistance Element With An Improved Write Performance App 20120224437 - Kim; Hye-Jin ; et al.	2012-09-06
Method of discharging bit-lines for a non-volatile semiconductor memory device performing a read-while-write operation Grant 8,254,159 - Lee , et al. August 28, 2	2012-08-28
Nonvolatile memory device with temperature controlled column selection signal levels Grant 8,213,254 - Choi , et al. July 3, 2	2012-07-03
Non-volatile memory device using variable resistance element with an improved write performance Grant 8,194,447 - Kim , et al. June 5, 2	2012-06-05
Apparatus and systems using phase change memories Grant 8,194,442 - Cho , et al. June 5, 2	2012-06-05
Semiconductor memory device and data error detection and correction method of the same Grant 8,190,968 - Lee , et al. May 29, 2	2012-05-29
Semiconductor memory device with stacked memory cell and method of manufacturing the stacked memory cell Grant 8,179,711 - Kim , et al. May 15, 2	2012-05-15
Nonvolatile memory, memory system, and method of driving Grant 8,174,878 - Park , et al. May 8, 2	2012-05-08
Method of driving multi-level variable resistive memory device and multi-level variable resistive memory device Grant 8,116,117 - Cho , et al. February 14, 2	2012-02-14
Method of preventing coupling noises for a non-volatile semiconductor memory device Grant 8,102,704 - Lee , et al. January 24, 2	2012-01-24
Nonvolatile memory device using variable resistive element Grant 8,098,518 - Kim , et al. January 17, 2	2012-01-17
Nonvolatile memory device and method of driving the same Grant 8,085,575 - Choi , et al. December 27, 2	2011-12-27
Multi-level nonvolatile memory device using variable resistive element Grant 8,081,501 - Choi , et al. December 20, 2	2011-12-20
Multilevel nonvolatile memory device using variable resistance Grant 8,040,714 - Choi , et al. October 18, 2	2011-10-18
Apparatus and Systems Using Phase Change Memories App 20110242886 - Cho; Beak-Hyung ; et al.	2011-10-06
Phase Change Random Access Memory Device And Related Methods Of Operation App 20110213922 - KIM; Hye-jin ; et al.	2011-09-01
Semiconductor Memory Device And Data Error Detection And Correction Method Of The Same App 20110209030 - Lee; Kwang-Jin ; et al.	2011-08-25
Phase change memory devices employing cell diodes and methods of fabricating the same Grant 7,994,493 - Cho , et al. August 9, 2	2011-08-09
Layout structure in semiconductor memory device comprising global word lines, local word lines, global bit lines and local bit lines Grant 7,993,961 - Oh , et al. August 9, 2	2011-08-09
Semiconductor device having resistance based memory array, method of reading, and systems associated therewith App 20110179237 - Lee; Kwang Jin ; et al.	2011-07-21
Nonvolatile Memory, Memory System, And Method Of Driving App 20110170334 - PARK; Joon-Min ; et al.	2011-07-14
Content addressable memory cell and content addressable memory using phase change memory Grant 7,978,490 - Lee , et al. July 12, 2	2011-07-12
Resistance variable memory device reducing word line voltage Grant 7,974,118 - Choi , et al. July 5, 2	2011-07-05
Phase change random access memory device and related methods of operation Grant 7,961,504 - Kim , et al. June 14, 2	2011-06-14
Phase-change random access memory Grant 7,961,508 - Choi , et al. June 14, 2	2011-06-14
Semiconductor memory device and data error detection and correction method of the same Grant 7,949,928 - Lee , et al. May 24, 2	2011-05-24
Apparatus and systems using phase change memories Grant 7,944,741 - Cho , et al. May 17, 2	2011-05-17
Semiconductor device having resistance based memory array, method of reading and writing, and systems associated therewith App 20110110172 - Lee; Kwang Jin ; et al.	2011-05-12
Nonvolatile memory, memory system, and method of driving Grant 7,936,619 - Park , et al. May 3, 2	2011-05-03
Semiconductor device having resistance based memory array, method of reading, and systems associated therewith Grant 7,920,432 - Lee , et al. April 5, 2	2011-04-05
Semiconductor device having resistance based memory array, method of reading and writing, and systems associated therewith Grant 7,894,277 - Lee , et al. February 22, 2	2011-02-22
Apparatus and method of nonvolatile memory device having three-level nonvolatile memory cells Grant 7,889,545 - Lee , et al. February 15, 2	2011-02-15
Resistance Variable Memory Device Reducing Word Line Voltage App 20110026306 - Choi; Byung-Gil ; et al.	2011-02-03
Phase-change memory device and method of fabricating the same Grant 7,881,103 - Kim , et al. February 1, 2	2011-02-01
Nonvolatile memory device and related methods of operation Grant 7,876,609 - Lee , et al. January 25, 2	2011-01-25
Method of discharging bit-lines for a non-volatile semiconductor memory device performing a read-while-write operation App 20100329057 - Lee; Yong-Jun ; et al.	2010-12-30
Resistive memory device and method of writing data Grant 7,859,882 - Cho , et al. December 28, 2	2010-12-28
Method of preventing coupling noises for a non-volatile semiconductor memory device App 20100302884 - Lee; Kwang-Jin ; et al.	2010-12-02
Phase random access memory with high density Grant 7,838,862 - Oh , et al. November 23, 2	2010-11-23
Nonvolatile memory using resistance material Grant 7,835,199 - Choi , et al. November 16, 2	2010-11-16
Resistance variable memory device reducing word line voltage Grant 7,830,699 - Choi , et al. November 9, 2	2010-11-09
Phase Change Random Access Memory And Method Of Controlling Read Operation Thereof App 20100220522 - Oh; Hyung-rok ; et al.	2010-09-02
Phase Change Random Access Memory Device And Related Methods Of Operation App 20100220521 - KIM; Hye-jin ; et al.	2010-09-02
Phase-change Random Access Memory App 20100214832 - CHOI; BYUNG-GIL ; et al.	2010-08-26
Phase change memory device and program method thereof Grant 7,751,234 - Lee , et al. July 6, 2	2010-07-06
Nonvolatile Memory Device And Related Methods Of Operation App 20100165729 - LEE; Kwang-jin ; et al.	2010-07-01
PRAM and method of firing memory cells Grant 7,746,688 - Kim , et al. June 29, 2	2010-06-29
Phase-change random access memory Grant 7,729,160 - Choi , et al. June 1, 2	2010-06-01
Apparatus And Systems Using Phase Change Memories App 20100097850 - Cho; Beak-Hyung ; et al.	2010-04-22
Phase change random access memory device and related methods of operation Grant 7,701,757 - Kim , et al. April 20, 2	2010-04-20
Method Of Driving Multi-level Variable Resistive Memory Device And Multi-level Variable Resistive Memory Device App 20100085799 - CHO; Woo-Yeong ; et al.	2010-04-08
Nonvoltile memory device and method of driving the same App 20100080039 - Choi; Byung-Gil ; et al.	2010-04-01
Nonvolatile memory device and related methods of operation Grant 7,688,620 - Lee , et al. March 30, 2	2010-03-30
Memory system including a resistance variable memory device Grant 7,668,007 - Choi , et al. February 23, 2	2010-02-23
Multi-port phase change random access memory cell and multi-port phase change random access memory device including the same Grant 7,668,006 - Lee , et al. February 23, 2	2010-02-23
Phase-change Memory Device And Method Of Fabricating The Same App 20100019217 - Kim; Du-eung ; et al.	2010-01-28
Nonvolatile Memory Device With Temperature Controlled Column Selection Signal Levels App 20100014345 - Choi; Byung-Gil ; et al.	2010-01-21
Apparatus and systems using phase change memories Grant 7,643,335 - Cho , et al. January 5, 2	2010-01-05
Method of driving multi-level variable resistive memory device and multi-level variable resistive memory device Grant 7,639,522 - Cho , et al. December 29, 2	2009-12-29
Nonvolatile Memory Device Using Variable Resistive Element App 20090296459 - Kim; Hye-Jin ; et al.	2009-12-03
Layout Structure In Semiconductor Memory Device Comprising Global Word Lines, Local Word Lines, Global Bit Lines And Local Bit Lines App 20090291522 - OH; Hyung-Rok ; et al.	2009-11-26
Phase-change memory device and method of fabricating the same Grant 7,613,037 - Kim , et al. November 3, 2	2009-11-03
Multilevel Nonvolatile Memory Device Using Variable Resistance App 20090262573 - Choi; Byung-Gil ; et al.	2009-10-22
Semiconductor device having resistance based memory array, method of reading, and writing, and systems associated therewith App 20090257292 - Lee; Kwang Jin ; et al.	2009-10-15
Nonvolatile Memory Device Using Variable Resistive Element App 20090237986 - Choi; Byung-Gil ; et al.	2009-09-24
Layout structure in semiconductor memory device comprising global work lines, local work lines, global bit lines and local bit lines Grant 7,589,367 - Oh , et al. September 15, 2	2009-09-15
Multi-level Nonvolatile Memory Device Using Variable Resistive Element App 20090225594 - Choi; Byung-Gil ; et al.	2009-09-10
Phase-change random access memory (PRAM) performing program loop operation and method of programming the same Grant 7,573,758 - Park , et al. August 11, 2	2009-08-11
Phase change random access memory and method of testing the same Grant 7,573,766 - Choi , et al. August 11, 2	2009-08-11
Nonvolatile memory device using variable resistive element Grant 7,570,530 - Choi , et al. August 4, 2	2009-08-04
Semiconductor memory device having a three-dimensional cell array structure Grant 7,570,511 - Cho , et al. August 4, 2	2009-08-04
Semiconductor Memory Device With Stacked Memory Cell And Method Of Manufacturing The Stacked Memory Cell App 20090168493 - Kim; Sung-min ; et al.	2009-07-02
Nonvolatile Memory, Memory System, And Method Of Driving App 20090161419 - PARK; Joon-Min ; et al.	2009-06-25
Non-Volatile memory device using variable resistance element with an improved write performance App 20090154221 - Kim; Hye-Jin ; et al.	2009-06-18
Phase change memory device and associated wordline driving circuit Grant 7,548,446 - Kim , et al. June 16, 2	2009-06-16
Semiconductor device having resistance based memory array, method of reading and writing, and systems associated therewith App 20090141549 - Lee; Kwang Jin ; et al.	2009-06-04
Nonvolatile Memory Using Resistance Material App 20090097304 - CHOI; Joon-Yong ; et al.	2009-04-16
Method of programming a memory cell array using successive pulses of increased duration Grant 7,515,459 - Kang , et al. April 7, 2	2009-04-07
Phase change memory device and related programming method Grant 7,511,993 - Choi , et al. March 31, 2	2009-03-31
Phase-change memory device and method of writing a phase-change memory device Grant 7,502,251 - Choi , et al. March 10, 2	2009-03-10
Phase change memory devices and program methods Grant 7,499,316 - Choi , et al. March 3, 2	2009-03-03
Apparatus And Method Of Nonvolatile Memory Device Having Three-level Nonvolatile Memory Cells App 20090046500 - LEE; Kwang-Jin ; et al.	2009-02-19
Phase-changeable memory device and method of programming the same Grant 7,486,536 - Kim , et al. February 3, 2	2009-02-03
Resistance Variable Memory Device Reducing Word Line Voltage App 20090027956 - CHOI; Byung-Gil ; et al.	2009-01-29
Phase Change Memory Device And Program Method Thereof App 20090003049 - LEE; Kwang-Jin ; et al.	2009-01-01
Phase change memory device and program method thereof Grant 7,471,553 - Lee , et al. December 30, 2	2008-12-30
Phase Change Memory Devices Employing Cell Diodes And Methods Of Fabricating The Same App 20080303016 - Cho; Woo-Yeong ; et al.	2008-12-11
Phase change memory device using multiprogramming method Grant 7,463,511 - Choi , et al. December 9, 2	2008-12-09
Layout method of a semiconductor memory device Grant 7,460,386 - Cho , et al. December 2, 2	2008-12-02
Nonvolatile Memory Device Using Variable Resistive Materials App 20080291715 - PARK; Mu-Hui ; et al.	2008-11-27
Non-volatile memory devices and systems including phase-change one-time-programmable (OTP) memory cells and related methods Grant 7,457,152 - Lee , et al. November 25, 2	2008-11-25
Phase change random access memory (PRAM) device having variable drive voltages Grant 7,457,151 - Cho , et al. November 25, 2	2008-11-25
Semiconductor memory device with stacked control transistors Grant 7,453,716 - Kim , et al. November 18, 2	2008-11-18
Phase-change memory device Grant 7,450,415 - Kim , et al. November 11, 2	2008-11-11
Phase-change semiconductor memory device and method of programming the same Grant 7,436,693 - Kang , et al. October 14, 2	2008-10-14
Nonvolatile Memory Device Using Variable Resistive Element App 20080232177 - Choi; Byung-gil ; et al.	2008-09-25
Resistance Variable Memory Device And Read Method Thereof App 20080232161 - Choi; Byung-Gil ; et al.	2008-09-25
Phase change memory devices employing cell diodes and methods of fabricating the same Grant 7,427,531 - Cho , et al. September 23, 2	2008-09-23
Phase change memory device and method of driving word line thereof Grant 7,417,887 - Cho , et al. August 26, 2	2008-08-26
Memory device with reduced word line resistance Grant 7,414,915 - Cho , et al. August 19, 2	2008-08-19
Phase change memory device Grant 7,405,965 - Choi , et al. July 29, 2	2008-07-29
Nonvolatile memory devices having enhanced bit line and/or word line driving capability Grant 7,397,681 - Cho , et al. July 8, 2	2008-07-08
Phase-changeable memory device and read method thereof Grant 7,391,644 - Cho , et al. June 24, 2	2008-06-24
Apparatus And Systems Using Phase Change Memories App 20080137402 - Cho; Beak-Hyung ; et al.	2008-06-12
Method Of Driving Multi-level Variable Resistive Memory Device And Multi-level Variable Resistive Memory Device App 20080123389 - CHO; Woo-yeong ; et al.	2008-05-29
Memory system and resistive memory device including buffer memory for reduced overhead App 20080123391 - Cho; Woo-Yeong ; et al.	2008-05-29
Semiconductor memory device having a three-dimensional cell array structure App 20080112209 - Cho; Woo-Yeong ; et al.	2008-05-15
Pram And Method Of Firing Memory Cells App 20080106930 - KIM; Hye-jin ; et al.	2008-05-08
Semiconductor Memory Device And Layout Structure Of Word Line Contacts App 20080106922 - Park; Joon-Min ; et al.	2008-05-08
Resistive Memory Device And Method Of Writing Data App 20080106924 - CHO; Woo-yeong ; et al.	2008-05-08
Semiconductor Memory Device And Data Error Detection And Correction Method Of The Same App 20080109700 - Lee; Kwang-Jin ; et al.	2008-05-08
Multi-port phase change random access memory cell and multi-port phase change random access memory device including the same App 20080084736 - Lee; Kwang-jin ; et al.	2008-04-10
Phase change random access memory, boosting charge pump and method of generating write driving voltage Grant 7,352,616 - Kang , et al. April 1, 2	2008-04-01
Initial firing method and phase change memory device for performing firing effectively Grant 7,349,246 - Cho , et al. March 25, 2	2008-03-25
Content addressable memory cell and content addressable memory using phase change memory App 20080068872 - LEE; Kwang-Jin ; et al.	2008-03-20
Pram Performing Program Loop Operation And Method Of Programming The Same App 20080068903 - PARK; Joon-Min ; et al.	2008-03-20
Phase change random access memory and method of testing the same App 20080062741 - Choi; Byung-gil ; et al.	2008-03-13
Nonvolatile Memory Device And Related Methods Of Operation App 20080056023 - LEE; Kwang-jin ; et al.	2008-03-06
Phase Change Random Access Memory Device And Related Methods Of Operation App 20080055971 - KIM; Hye-jin ; et al.	2008-03-06
Memory cell array biasing method and a semiconductor memory device Grant 7,317,655 - Cho , et al. January 8, 2	2008-01-08
Phase change memories and/or methods of programming phase change memories using sequential reset control Grant 7,304,885 - Cho , et al. December 4, 2	2007-12-04
Phase change memory device using multiprogramming method App 20070242503 - Choi; Byung-Gil ; et al.	2007-10-18
Phase change random access memory device having variable drive voltage circuit Grant 7,283,387 - Cho , et al. October 16, 2	2007-10-16
Phase change memory device and related programming method App 20070230240 - Choi; Byung-Gil ; et al.	2007-10-04
Phase change memory devices and program methods App 20070230239 - Choi; Byung-Gil ; et al.	2007-10-04
Method for programming phase-change memory array to set state and circuit of a phase-change memory device Grant 7,274,586 - Choi , et al. September 25, 2	2007-09-25
Phase-change Random Access Memory App 20070217273 - Choi; Byung-Gil ; et al.	2007-09-20
Layout method of a semiconductor memory device App 20070195591 - Cho; Beak-hyung ; et al.	2007-08-23
Memory device with reduced word line resistance App 20070189104 - Cho; Beak-Hyung ; et al.	2007-08-16
Initial firing method and phase change memory device for performing firing effectively Grant 7,254,055 - Cho , et al. August 7, 2	2007-08-07
Phase change memory device App 20070159878 - Choi; Byung-gil ; et al.	2007-07-12
Phase-change memory device App 20070153616 - Kim; Du-eung ; et al.	2007-07-05
Non-volatile memory devices and systems including phase-change one-time-programmable (OTP) memory cells and related methods App 20070133269 - Lee; Kwang-Jin ; et al.	2007-06-14
Phase-changeable memory device and read method thereof App 20070133271 - Cho; Woo-Yeong ; et al.	2007-06-14
Phase change random access memory (PRAM) device Grant 7,227,776 - Cho , et al. June 5, 2	2007-06-05
Memory device with reduced word line resistance Grant 7,215,592 - Cho , et al. May 8, 2	2007-05-08
Phase change random access memory, boosting charge pump and method of generating write driving voltage App 20070097741 - Kang; Sang-beom ; et al.	2007-05-03
Phase change random access memory and method of controlling read operation thereof App 20070091665 - Oh; Hyung-rok ; et al.	2007-04-26
Phase-change memory device and method of fabricating the same App 20070086235 - Kim; Du-eung ; et al.	2007-04-19
Phase change memory device and program method thereof App 20070064473 - Lee; Kwang-Jin ; et al.	2007-03-22
Phase change random access memory device having variable drive voltage circuit App 20070058425 - Cho; Woo-yeong ; et al.	2007-03-15
Phase change random access memory (PRAM) device having variable drive voltages App 20070014150 - Cho; Woo-yeong ; et al.	2007-01-18
Phase-changeable memory device and method of programming the same App 20070008769 - Kim; Hye-Jin ; et al.	2007-01-11
Phase change random access memory (PRAM) device App 20060285380 - Cho; Beak-hyung ; et al.	2006-12-21
Phase-change memory device and method of writing a phase-change memory device App 20060274574 - Choi; Byung-Gil ; et al.	2006-12-07
Phase change memory device and method of driving word line thereof App 20060256612 - Cho; Beak-hyung ; et al.	2006-11-16
Initial firing method and phase change memory device for performing firing effectively App 20060250885 - Cho; Beak-hyung ; et al.	2006-11-09
Layout structure in semiconductor memory device and layout method therefor App 20060226459 - Oh; Hyung-Rok ; et al.	2006-10-12
Phase-change semiconductor memory device and method of programming the same App 20060220071 - Kang; Sang-beom ; et al.	2006-10-05
Method of programming memory cell array App 20060221679 - Kang; Sang-beom ; et al.	2006-10-05
Nonvolatile memory devices having enhanced bit line and/or word line driving capability App 20060215440 - Cho; Beak-hyung ; et al.	2006-09-28
Phase change memory device and associated wordline driving circuit App 20060209616 - Kim; Hye-jin ; et al.	2006-09-21
Phase-change memory device and method of writing a phase-change memory device Grant 7,110,286 - Choi , et al. September 19, 2	2006-09-19
Phase change memory devices employing cell diodes and methods of fabricating the same App 20060186483 - Cho; Woo-Yeong ; et al.	2006-08-24
Memory cell array biasing method and a semiconductor memory device App 20060164896 - Cho; Beak-Hyung ; et al.	2006-07-27
Redundancy circuit in semiconductor memory device having a multiblock structure Grant 7,075,848 - Choi , et al. July 11, 2	2006-07-11
Reference voltage generating circuit using active resistance device Grant 7,064,601 - Kwak , et al. June 20, 2	2006-06-20
Semiconductor memory device with stacked memory cell and method of manufacturing the stacked memory cell App 20060120148 - Kim; Sung-Min ; et al.	2006-06-08
Flip chip interface circuit of a semiconductor memory device Grant 7,005,748 - Kim , et al. February 28, 2	2006-02-28
Phase change memories and/or methods of programming phase change memories using sequential reset control App 20060007729 - Cho; Beak-Hyung ; et al.	2006-01-12
Memory device with reduced word line resistance App 20050270883 - Cho, Beak-Hyung ; et al.	2005-12-08
Phase random access memory with high density App 20050247922 - Oh, Hyung-Rok ; et al.	2005-11-10
Phase random access memory with high density Grant 6,943,395 - Oh , et al. September 13, 2	2005-09-13
Method for programming phase-change memory array to set state and circuit of a phase-change memory device App 20050195633 - Choi, Byung-Gil ; et al.	2005-09-08
Phase-change memory device and method of writing a phase-change memory device App 20050169093 - Choi, Byung-Gil ; et al.	2005-08-04
Initial firing method and phase change memory device for performing firing effectively App 20050052904 - Cho, Beak-hyung ; et al.	2005-03-10
Redundancy circuit in semiconductor memory device having a multiblock structure App 20050007843 - Choi, Byung-Gil ; et al.	2005-01-13
Phase random access memory with high density App 20040245554 - Oh, Hyung-Rok ; et al.	2004-12-09
Integrated circuit capable of being burn-in tested using an alternating current stress and a testing method using the same Grant 6,816,429 - Han , et al. November 9, 2	2004-11-09
Flip chip interface circuit of a semiconductor memory device and method for interfacing a flip chip App 20030211679 - Kim, Du-Eung ; et al.	2003-11-13
Internal power voltage generating circuit of semiconductor memory device and internal power voltage controlling method thereof App 20030210090 - Kwak, Choong-Keun ; et al.	2003-11-13
Integrated circuit capable of being burn-in tested using an alternating current stress and a testing method using the same App 20030035333 - Han, Sang-jib ; et al.	2003-02-20
Reference voltage generating circuit using active resistance device App 20020039044 - Kwak, Choong-Keun ; et al.	2002-04-04
Parallel test circuit for semiconductor memory Grant 6,026,039 - Kim , et al. February 15, 2	2000-02-15
Bit line precharge circuit Grant 5,754,487 - Kim , et al. May 19, 1	1998-05-19
Decoding circuit and method for a semiconductor memory device Grant 5,487,050 - Kim , et al. January 23, 1	1996-01-23