Issued Patents All Time
Showing 51–75 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7450415 | Phase-change memory device | Du-Eung Kim, Chang-Soo Lee, Woo-Yeong Cho, Byung-Gil Choi | 2008-11-11 |
| 7436711 | Semiconductor memory device | Sang-Beom Kang, Hyung-Rok Oh | 2008-10-14 |
| 7427531 | Phase change memory devices employing cell diodes and methods of fabricating the same | Woo-Yeong Cho, Du-Eung Kim, Yun-seung Shin, Hyun-Geun Byun, Sang-Beom Kang +1 more | 2008-09-23 |
| 7417887 | Phase change memory device and method of driving word line thereof | Jong-Soo Seo, Du-Eung Kim, Woo-Yeong Cho | 2008-08-26 |
| 7414915 | Memory device with reduced word line resistance | Du-Eung Kim | 2008-08-19 |
| 7405960 | Semiconductor memory device and method for biasing dummy line therefor | Hyung-Rok Oh, Chang-Soo Lee | 2008-07-29 |
| 7397681 | Nonvolatile memory devices having enhanced bit line and/or word line driving capability | Du-Eung Kim, Choong-Keun Kwak, Hyung-Rok Oh, Woo-Yeong Cho | 2008-07-08 |
| 7391644 | Phase-changeable memory device and read method thereof | Woo-Yeong Cho, Byung-Gil Choi, Du-Eung Kim, Hyung-Rok Oh, Yu-Hwan Ro | 2008-06-24 |
| 7349246 | Initial firing method and phase change memory device for performing firing effectively | Du-Eung Kim, Choong-Keun Kwak | 2008-03-25 |
| 7317655 | Memory cell array biasing method and a semiconductor memory device | Du-Eung Kim, Choong-Keun Kwak, Sang-Beom Kang, Woo-Yeong Cho, Hyung-Rok Oh | 2008-01-08 |
| 7304885 | Phase change memories and/or methods of programming phase change memories using sequential reset control | Du-Eung Kim, Woo-Yeong Cho | 2007-12-04 |
| 7304886 | Writing driver circuit of phase-change memory | Woo-Yeong Cho, Hyung-Rok Oh | 2007-12-04 |
| 7295464 | Phase change memory device and method of programming the same | Jong-Soo Seo, Won Seok Lee | 2007-11-13 |
| 7274586 | Method for programming phase-change memory array to set state and circuit of a phase-change memory device | Byung-Gil Choi, Du-Eung Kim, Choong-Keun Kwak | 2007-09-25 |
| 7262990 | Semiconductor memory device | Sang-Beom Kang, Hyung-Rok Oh | 2007-08-28 |
| 7254055 | Initial firing method and phase change memory device for performing firing effectively | Du-Eung Kim, Choong-Keun Kwak | 2007-08-07 |
| 7242605 | Phase-change memory device and method that maintains the resistance of a phase-change material in a reset state within a constant resistance range | Byung-Gil Choi, Woo-Yeong Cho, Hyung-Rok Oh | 2007-07-10 |
| 7236393 | Phase-change semiconductor memory device and method of programming same | Choong-Keun Kwak | 2007-06-26 |
| 7227776 | Phase change random access memory (PRAM) device | Du-Eung Kim, Byung-Gil Choi, Choong-Keun Kwak | 2007-06-05 |
| 7215592 | Memory device with reduced word line resistance | Du-Eung Kim | 2007-05-08 |
| 7126846 | Method and driver for programming phase change memory cell | Yong-Ho Ha, Ji-Hye Yi | 2006-10-24 |
| 7126847 | Method and driver for programming phase change memory cell | Yong-Ho Ha, Ji-Hye Yi | 2006-10-24 |
| 7110286 | Phase-change memory device and method of writing a phase-change memory device | Byung-Gil Choi, Choong-Keun Kwak, Du-Eung Kim | 2006-09-19 |
| 7082051 | Method and driver for programming phase change memory cell | Yong-Ho Ha, Ji-Hye Yi | 2006-07-25 |
| 7012834 | Writing driver circuit of phase-change memory | Woo-Yeong Cho, Hyung-Rok Oh | 2006-03-14 |