Issued Patents All Time
Showing 51–75 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7751234 | Phase change memory device and program method thereof | Kwang-Jin Lee, Du-Eung Kim, Sang-Beom Kang | 2010-07-06 |
| 7746688 | PRAM and method of firing memory cells | Hye Jin Kim, Kwang-Jin Lee, Du-Eung Kim, Chang-han Choi, Ki-Won Lim | 2010-06-29 |
| 7729160 | Phase-change random access memory | Byung-Gil Choi, Du-Eung Kim, Hye Jin Kim | 2010-06-01 |
| 7724560 | Nonvolatile memory device having twin memory cells | Sang-Beom Kang, Hyung-Rok Oh, Joon-Min Park | 2010-05-25 |
| 7710767 | Memory cell array biasing method and a semiconductor memory device | Beak-Hyung Cho, Do-Eung Kim, Choong-Keun Kwak, Sang-Beom Kang, Hyung-Rok Oh | 2010-05-04 |
| 7701747 | Non-volatile memory including sub cell array and method of writing data thereto | Joon-Min Park, Sang-Beom Kang, Hyung-Rok Oh | 2010-04-20 |
| 7688621 | Memory system, memory device and apparatus including writing driver circuit for a variable resistive memory | Beak-Hyung Cho, Hyung-Rok Oh | 2010-03-30 |
| 7668007 | Memory system including a resistance variable memory device | Byung-Gil Choi, Du-Eung Kim, Hyung-Rok Oh, Beak-Hyung Cho, Yu-Hwan Ro | 2010-02-23 |
| 7656719 | Phase change memory device generating program current and method thereof | Beak-Hyung Cho, Mu-Hui Park | 2010-02-02 |
| 7643335 | Apparatus and systems using phase change memories | Beak-Hyung Cho, Du-Eung Kim | 2010-01-05 |
| 7639522 | Method of driving multi-level variable resistive memory device and multi-level variable resistive memory device | Du-Eung Kim, Ki-Sung Kim | 2009-12-29 |
| 7633788 | Variable resistive memory wordline switch | Byung-Gil Choi | 2009-12-15 |
| 7633100 | Phase change random access memory device | Jong-Soo Seo, Ik-Chul Kim, Young-kug Moon | 2009-12-15 |
| 7613037 | Phase-change memory device and method of fabricating the same | Du-Eung Kim, Chang-Soo Lee, Byung-Gil Choi | 2009-11-03 |
| 7586776 | Nonvolatile memory devices having multi-filament variable resistivity memory cells therein | Hyung-Rok Oh, Sang-Beom Kang | 2009-09-08 |
| 7582941 | Magnetic memory device and method of fabricating the same | Yun-seung Shin, Hyun-Geun Byun, Choong-Keun Kwak | 2009-09-01 |
| 7580295 | Semiconductor memory device and memory system including semiconductor memory device | Kwang-Jin Lee, Hye Jin Kim | 2009-08-25 |
| 7570511 | Semiconductor memory device having a three-dimensional cell array structure | Sang-Beom Kang, Du-Eung Kim | 2009-08-04 |
| 7548451 | Phase change random access memory | Hyung-Rok Oh, Beak-Hyung Cho | 2009-06-16 |
| 7548467 | Bias voltage generator and method generating bias voltage for semiconductor memory device | Hye Jin Kim, Kwang-Jin Lee, Mu-Hui Park | 2009-06-16 |
| 7542356 | Semiconductor memory device and method for reducing cell activation during write operations | Kwang-Jin Lee, Sang-Beom Kang, Hyung-Rok Oh, Beak-Hyung Cho | 2009-06-02 |
| 7535747 | Phase change random access memory and related methods of operation | Kwang-Jin Lee | 2009-05-19 |
| 7529124 | Phase change memory devices and systems, and related programming methods | Kwang-Jin Lee, Hye Jin Kim | 2009-05-05 |
| 7522449 | Phase change memory device and related programming method | Yu-Hwan Ro, Kwang-Jin Lee, Sang-Beom Kang | 2009-04-21 |
| 7511993 | Phase change memory device and related programming method | Byung-Gil Choi, Du-Eung Kim, Beak-Hyung Cho | 2009-03-31 |