HC

Heon Yong Chang

SH Sk Hynix: 45 patents #81 of 4,849Top 2%
Overall (All Time): #65,870 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
8486752 Phase change memory device having dielectric layer for isolating contact structure formed by growth, semiconductor device having the same, and methods for manufacturing the devices 2013-07-16
8455329 Phase change memory device capable of increasing sensing margin and method for manufacturing the same 2013-06-04
8450772 Phase change RAM device and method for manufacturing the same Suk Kyoung Hong, Hae Chan PARK 2013-05-28
8422283 Phase change memory device to prevent thermal cross-talk and method for manufacturing the same 2013-04-16
8416616 Phase change memory device and method for manufacturing the same Myoung-Sub Kim, Gap Sok DO 2013-04-09
8399285 Phase change memory device having a bent heater and method for manufacturing the same 2013-03-19
8293650 Phase change memory device in which a phase change layer is stably formed and prevented from lifting and method for manufacturing the same 2012-10-23
8258002 Phase change memory device resistant to stack pattern collapse and a method for manufacturing the same 2012-09-04
8236602 Phase change memory device resistant to stack pattern collapse and a method for manufacturing the same 2012-08-07
8236664 Phase change memory device accounting for volume change of phase change material and method for manufacturing the same 2012-08-07
8216941 Method for manufacturing phase change memory device 2012-07-10
8093632 Phase change memory device accounting for volume change of phase change material and method for manufacturing the same 2012-01-10
8071968 Phase change memory device and method for manufacturing the same 2011-12-06
8053750 Phase change memory device having heat sinks formed under heaters and method for manufacturing the same 2011-11-08
8049199 Phase change memory device and method for manufacturing the same Yong Seok Eun, Su Jin CHAE, Keum Bum Lee, Min Yong Lee 2011-11-01
8049198 Phase change memory device to prevent thermal cross-talk and method for manufacturing the same 2011-11-01
8026125 Phase change RAM device and method for fabricating the same Suk Kyoung Hong, Hae Chan PARK 2011-09-27
8013319 Phase change memory device having a bent heater and method for manufacturing the same 2011-09-06
7928422 Phase change memory device capable of increasing sensing margin and method for manufacturing the same 2011-04-19
7910908 Phase change memory device in which a phase change layer is stably formed and prevented from lifting and method for manufacturing the same 2011-03-22
7897959 Phase change memory device having a word line contact 2011-03-01
7884344 Phase change memory device resistant to stack pattern collapse and a method for manufacturing the same 2011-02-08
7880159 Phase change memory device in which a distance between a lower electrode and a ground line is increased to secure the sensing margin of a cell and method for manufacturing the same 2011-02-01
7858960 Phase change memory device having dielectric layer for isolating contact structure formed by growth, semiconductor device having the same, and methods for manufacturing the devices 2010-12-28
7851776 Phase change RAM device Suk Kyoung Hong, Hae Chan PARK 2010-12-14