Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9947546 | Semiconductor integrated circuit device with a surface and method of manufacturing the same | Jae Hee SIM, Keun Kyu Kong, Jeong Hoon An | 2018-04-17 |
| 9478281 | Variable resistance memory apparatus, manufacturing method thereof | — | 2016-10-25 |
| 9136466 | Phase-change random access memory device and method of manufacturing the same | — | 2015-09-15 |
| 8921817 | Phase-change random access memory device having multi-levels and method of manufacturing the same | — | 2014-12-30 |
| 8093134 | Phase change memory device with heater electrodes having fine contact area and method for manufacturing the same | — | 2012-01-10 |
| 7851887 | Phase change memory device with heater electrodes having fine contact area and method for manufacturing the same | — | 2010-12-14 |
| 7279256 | Photoresist polymer and photoresist composition containing the same | — | 2007-10-09 |
| 7129023 | Photoresist polymer and photoresist composition containing the same | — | 2006-10-31 |