Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7804086 | Phase change memory device having decreased contact resistance of heater and method for manufacturing the same | — | 2010-09-28 |
| 7799596 | Phase change memory device and method for manufacturing the same | Suk Kyoung Hong, Hae Chan PARK | 2010-09-21 |
| 7785923 | Phase change memory device preventing contact loss and method for manufacturing the same | Sang-Heon Kim | 2010-08-31 |
| 7778059 | Phase change memory device having a uniform set and reset current | — | 2010-08-17 |
| 7705341 | Phase change memory device using PNP-BJT for preventing change in phase change layer composition and widening bit line sensing margin | — | 2010-04-27 |
| 7692957 | Phase change memory device with ensured sensing margin and method of manufacturing the same | — | 2010-04-06 |
| 7687310 | Method for manufacturing phase change memory device which can stably form an interface between a lower electrode and a phase change layer | — | 2010-03-30 |
| 7678642 | Method for manufacturing phase change memory device using a patterning process | — | 2010-03-16 |
| 7667219 | Reduced current phase-change memory device | Suk Kyoung Hong, Hae Chan PARK | 2010-02-23 |
| 7608850 | 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 | — | 2009-10-27 |
| 7589342 | Phase change memory device having carbon nano tube lower electrode material and method of manufacturing the same | — | 2009-09-15 |
| 7570512 | Phase change memory device with reduced unit cell size and improved transistor current flow and method for manufacturing the same | — | 2009-08-04 |
| 7553692 | Phase-change memory device and method of manufacturing the same | — | 2009-06-30 |
| 7470924 | Phase change RAM device with increased contact area between word line and active area | Byoung Ok Song | 2008-12-30 |
| 7408181 | Phase-change memory device and method of manufacturing the same | — | 2008-08-05 |
| 7332370 | Method of manufacturing a phase change RAM device utilizing reduced phase change current | Hae Chan PARK, Suk Kyoung Hong | 2008-02-19 |
| 7262502 | Phase-change random access memory device and method for manufacturing the same | — | 2007-08-28 |
| 7173271 | Phase-change memory device and method of manufacturing the same | — | 2007-02-06 |
| 7151300 | Phase-change memory device and method for manufacturing the same | — | 2006-12-19 |
| 7061005 | Phase-change random access memory device and method for manufacturing the same | — | 2006-06-13 |