Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7808815 | Variable resistance memory device and method of manufacturing the same | Yu-Hwan Ro, Byung-Gil Choi, Woo-Yeong Cho | 2010-10-05 |
| 7751232 | Method of testing PRAM device | Chang-Soo Lee, Beak-Hyung Cho, Kwang-Jin Lee | 2010-07-06 |
| 7724560 | Nonvolatile memory device having twin memory cells | Sang-Beom Kang, Woo-Yeong Cho, 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, Woo-Yeong Cho | 2010-05-04 |
| 7701747 | Non-volatile memory including sub cell array and method of writing data thereto | Joon-Min Park, Sang-Beom Kang, Woo-Yeong Cho | 2010-04-20 |
| 7688621 | Memory system, memory device and apparatus including writing driver circuit for a variable resistive memory | Beak-Hyung Cho, Woo-Yeong Cho | 2010-03-30 |
| 7672156 | Phase change random access memory device | Mu-Hui Park, Beak-Hyung Cho | 2010-03-02 |
| 7668007 | Memory system including a resistance variable memory device | Byung-Gil Choi, Woo-Yeong Cho, Du-Eung Kim, Beak-Hyung Cho, Yu-Hwan Ro | 2010-02-23 |
| 7656694 | Methods of programming one-time programmable devices including chalcogenide material | Chang Wook Jeong, Jun-Hyok Kong | 2010-02-02 |
| 7589367 | Layout structure in semiconductor memory device comprising global work lines, local work lines, global bit lines and local bit lines | Sang-Beom Kang, Du-Eung Kim | 2009-09-15 |
| 7586776 | Nonvolatile memory devices having multi-filament variable resistivity memory cells therein | Sang-Beom Kang, Woo-Yeong Cho | 2009-09-08 |
| 7548451 | Phase change random access memory | Woo-Yeong Cho, Beak-Hyung Cho | 2009-06-16 |
| 7548446 | Phase change memory device and associated wordline driving circuit | Hye Jin Kim, Du-Eung Kim, Beak-Hyung Cho | 2009-06-16 |
| 7542356 | Semiconductor memory device and method for reducing cell activation during write operations | Kwang-Jin Lee, Sang-Beom Kang, Beak-Hyung Cho, Woo-Yeong Cho | 2009-06-02 |
| 7463509 | Magneto-resistive RAM having multi-bit cell array structure | Hye Jin Kim, Woo-Yeong Cho | 2008-12-09 |
| 7447092 | Write driver circuit for controlling a write current applied to a phase change memory based on an ambient temperature | Baek-Hyung Cho, Woo-Yeong Cho, Byung-Gil Choi | 2008-11-04 |
| 7436711 | Semiconductor memory device | Beak-Hyung Cho, Sang-Beom Kang | 2008-10-14 |
| 7436693 | Phase-change semiconductor memory device and method of programming the same | Sang-Beom Kang, Du-Eung Kim | 2008-10-14 |
| 7405960 | Semiconductor memory device and method for biasing dummy line therefor | Beak-Hyung Cho, Chang-Soo Lee | 2008-07-29 |
| 7397681 | Nonvolatile memory devices having enhanced bit line and/or word line driving capability | Beak-Hyung Cho, Du-Eung Kim, Choong-Keun Kwak, Woo-Yeong Cho | 2008-07-08 |
| 7391644 | Phase-changeable memory device and read method thereof | Woo-Yeong Cho, Byung-Gil Choi, Du-Eung Kim, Beak-Hyung Cho, Yu-Hwan Ro | 2008-06-24 |
| 7352616 | Phase change random access memory, boosting charge pump and method of generating write driving voltage | Sang-Beom Kang, Du-Eung Kim, Kwang-Jin Lee | 2008-04-01 |
| 7317655 | Memory cell array biasing method and a semiconductor memory device | Beak-Hyung Cho, Du-Eung Kim, Choong-Keun Kwak, Sang-Beom Kang, Woo-Yeong Cho | 2008-01-08 |
| 7304886 | Writing driver circuit of phase-change memory | Beak-Hyung Cho, Woo-Yeong Cho | 2007-12-04 |
| 7262990 | Semiconductor memory device | Beak-Hyung Cho, Sang-Beom Kang | 2007-08-28 |