Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9449685 | Resistance variable memory apparatus, read circuit unit and operation method therefor | — | 2016-09-20 |
| 9030861 | Variable resistance memory device and operating method thereof | — | 2015-05-12 |
| 8917544 | Phase change memory device, operation method thereof, and data storage device having the same | Dong Keun Kim | 2014-12-23 |
| 8331190 | Semiconductor memory device and operation method thereof | Kee-Teok Park | 2012-12-11 |
| 7995416 | Semiconductor memory device and operation method thereof | Kee-Teok Park | 2011-08-09 |
| 7710178 | Delay apparatus for delay locked loop | — | 2010-05-04 |