Issued Patents All Time
Showing 1–25 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9183910 | Semiconductor memory devices for alternately selecting bit lines | Yun-Sang Lee, Dong Seok Kang, Sang-Beom Kang, Chan-kyung Kim, Chul-Woo Park +1 more | 2015-11-10 |
| 9147500 | Semiconductor memory device having resistive memory cells and method of testing the same | Hye Jin Kim, Dong Seok Kang, Dong-Hyun Sohn, Sang-Beom Kang, Chul-Woo Park +1 more | 2015-09-29 |
| 9042152 | Data read circuit, a non-volatile memory device having the same, and a method of reading data from the non-volatile memory device | Chan-kyung Kim, Hong-Sun Hwang, Chul-Woo Park, Sang-Beom Kang | 2015-05-26 |
| 8804410 | Stacked MRAM device and memory system having the same | Se-Chung Oh | 2014-08-12 |
| 8745452 | Resistive memory device and test systems and methods for testing the same | Chul-Woo Park | 2014-06-03 |
| 8654595 | Nonvolatile memory device with a clamping voltage generation circuit for compensating the variations in memory cell parameters | Chan-kyung Kim, Hong-Sun Hwang, Chul-Woo Park, Sang-Beom Kang | 2014-02-18 |
| 8619458 | Bidirectional resistive memory devices using selective read voltage polarity | In-Gyu Baek, Hong-Sun Hwang | 2013-12-31 |
| 8248842 | 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 | 2012-08-21 |
| 8136017 | Multi-layer semiconductor memory device comprising error checking and correction (ECC) engine and related ECC method | Sang-Beom Kang, Woo-Yeong Cho, Joon-Min Park | 2012-03-13 |
| 8116129 | Variable resistance memory device and method of manufacturing the same | Yu-Hwan Ro, Byung-Gil Choi, Woo-Yeong Cho | 2012-02-14 |
| 7993961 | Layout structure in semiconductor memory device comprising global word lines, local word lines, global bit lines and local bit lines | Sang-Beom Kang, Du-Eung Kim | 2011-08-09 |
| 7986551 | Phase change random access memory device | Mu-Hui Park, Beak-Hyung Cho | 2011-07-26 |
| 7974115 | One-time programmable devices including chalcogenide material and electronic systems including the same | Chang Wook Jeong, Jun-Hyok Kong | 2011-07-05 |
| 7924639 | Nonvolatile memory device using resistance material | Joon-Min Park, Sang-Beom Kang, Woo-Yeong Cho | 2011-04-12 |
| 7920405 | Circuits and methods for adaptive write bias driving of resistive non-volatile memory devices | Sang-Beom Kang, Woo-Yeong Cho, Joon-Min Park | 2011-04-05 |
| 7907467 | Resistance semiconductor memory device having three-dimensional stack and word line decoding method thereof | Joon-Min Park, Sang-Beom Kang, Woo-Yeong Cho | 2011-03-15 |
| 7903448 | Resistance random access memory having common source line | Sang-Beom Kang, Joon-Min Park, Woo-Yeong Cho | 2011-03-08 |
| 7894236 | Nonvolatile memory devices that utilize read/write merge circuits | Woo-Yeong Cho, Sang-Beom Kang, Joon-Min Park | 2011-02-22 |
| 7869271 | Method of testing PRAM device | Chang-Soo Lee, Beak-Hyung Cho, Kwang-Jin Lee | 2011-01-11 |
| 7869256 | Bi-directional resistive random access memory capable of multi-decoding and method of writing data thereto | Joon-Min Park, Sang-Beom Kang, Woo-Yeong Cho | 2011-01-11 |
| 7843716 | Nonvolatile memory device having memory and reference cells | Sang-Beom Kang, Woo-Yeong Cho, Joon-Min Park | 2010-11-30 |
| 7843715 | Memory cell of a resistive semiconductor memory device, a resistive semiconductor memory device having a three-dimensional stack structure, and related methods | Joon-Min Park, Sang-Beom Kang, Woo-Yeong Cho | 2010-11-30 |
| 7838862 | Phase random access memory with high density | Beak-Hyung Cho, Du-Eung Kim, Woo-Yeong Cho | 2010-11-23 |
| 7817465 | Phase change random access memory | Woo-Yeong Cho, Beak-Hyung Cho | 2010-10-19 |
| 7808811 | Resistance semiconductor memory device having three-dimensional stack and word line decoding method thereof | Joon-Min Park, Sang-Beom Kang, Woo-Yeong Cho | 2010-10-05 |