Issued Patents All Time
Showing 76–100 of 110 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7499316 | Phase change memory devices and program methods | Byung-Gil Choi, Du-Eung Kim, Yu-Hwan Ro, Joon-Yong Choi, Beak-Hyung Cho | 2009-03-03 |
| 7471553 | Phase change memory device and program method thereof | Kwang-Jin Lee, Du-Eung Kim, Sang-Beom Kang | 2008-12-30 |
| 7463511 | Phase change memory device using multiprogramming method | Byung-Gil Choi, Choong-Keun Kwak, Du-Eung Kim | 2008-12-09 |
| 7463509 | Magneto-resistive RAM having multi-bit cell array structure | Hye Jin Kim, Hyung-Rok Oh | 2008-12-09 |
| 7457152 | Non-volatile memory devices and systems including phase-change one-time-programmable (OTP) memory cells and related methods | Kwang-Jin Lee, Du-Eung Kim, Beak-Hyung Cho | 2008-11-25 |
| 7457151 | Phase change random access memory (PRAM) device having variable drive voltages | Du-Eung Kim, Sang-Beom Kang, Choong-Keun Kwak | 2008-11-25 |
| 7450415 | Phase-change memory device | Du-Eung Kim, Chang-Soo Lee, Beak-Hyung Cho, Byung-Gil Choi | 2008-11-11 |
| 7447092 | Write driver circuit for controlling a write current applied to a phase change memory based on an ambient temperature | Baek-Hyung Cho, Hyung-Rok Oh, Byung-Gil Choi | 2008-11-04 |
| 7427531 | Phase change memory devices employing cell diodes and methods of fabricating the same | Du-Eung Kim, Yun-seung Shin, Hyun-Geun Byun, Sang-Beom Kang, Beak-Hyung Cho +1 more | 2008-09-23 |
| 7417887 | Phase change memory device and method of driving word line thereof | Beak-Hyung Cho, Jong-Soo Seo, Du-Eung Kim | 2008-08-26 |
| 7405965 | Phase change memory device | Byung-Gil Choi, Du-Eung Kim | 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, Hyung-Rok Oh | 2008-07-08 |
| 7391669 | Semiconductor memory device and core layout thereof | Hye Jin Kim, Choong-Keun Kwak, Sang-Beom Kang | 2008-06-24 |
| 7391644 | Phase-changeable memory device and read method thereof | Byung-Gil Choi, Du-Eung Kim, Hyung-Rok Oh, Beak-Hyung Cho, Yu-Hwan Ro | 2008-06-24 |
| 7317655 | Memory cell array biasing method and a semiconductor memory device | Beak-Hyung Cho, Du-Eung Kim, Choong-Keun Kwak, Sang-Beom Kang, Hyung-Rok Oh | 2008-01-08 |
| 7315469 | Control of set/reset pulse in response to peripheral temperature in PRAM device | Byung-Gil Choi, Choong-Keun Kwak | 2008-01-01 |
| 7304886 | Writing driver circuit of phase-change memory | Beak-Hyung Cho, Hyung-Rok Oh | 2007-12-04 |
| 7304885 | Phase change memories and/or methods of programming phase change memories using sequential reset control | Beak-Hyung Cho, Du-Eung Kim | 2007-12-04 |
| 7283387 | Phase change random access memory device having variable drive voltage circuit | Du-Eung Kim, Kwang-Jin Lee, Choong-Keun Kwak | 2007-10-16 |
| 7280391 | Phase change memory device for use in a burst read operation and a data reading method thereof | Sang-Beom Kang | 2007-10-09 |
| 7245526 | Phase change memory device providing compensation for leakage current | Hyung-Rok Oh, Hye Jin Kim | 2007-07-17 |
| 7245543 | Data read circuit for use in a semiconductor memory and a method therefor | Hyung-Rok Oh, Choong-Keun Kwak | 2007-07-17 |
| 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, Hyung-Rok Oh, Beak-Hyung Cho | 2007-07-10 |
| 7190607 | Phase-change memory element driver circuits using measurement to control current and methods of controlling drive current of phase-change memory elements using measurement | Sang-Beom Kang | 2007-03-13 |
| 7180771 | Device and method for pulse width control in a phase change memory device | Kyung Hee Kim | 2007-02-20 |