Issued Patents All Time
Showing 101–125 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7701757 | Phase change random access memory device and related methods of operation | Hye Jin Kim, Du-Eung Kim | 2010-04-20 |
| 7686955 | Submerged hollow fiber membrane module | Moo-Seok Lee, Yong-Cheol Shin, Seong Hak Choi, Youn Tai Woo | 2010-03-30 |
| 7688620 | Nonvolatile memory device and related methods of operation | Choong-Keun Kwak, Du-Eung Kim | 2010-03-30 |
| 7668006 | Multi-port phase change random access memory cell and multi-port phase change random access memory device including the same | Du-Eung Kim, Chang-Soo Lee, Qi Wang | 2010-02-23 |
| 7639558 | Phase change random access memory (PRAM) device | Beak-Hyung Cho, Mu-Hui Park | 2009-12-29 |
| 7580295 | Semiconductor memory device and memory system including semiconductor memory device | Woo-Yeong Cho, Hye Jin Kim | 2009-08-25 |
| 7548467 | Bias voltage generator and method generating bias voltage for semiconductor memory device | Hye Jin Kim, Woo-Yeong Cho, Mu-Hui Park | 2009-06-16 |
| 7542356 | Semiconductor memory device and method for reducing cell activation during write operations | Sang-Beom Kang, Hyung-Rok Oh, Beak-Hyung Cho, Woo-Yeong Cho | 2009-06-02 |
| 7534832 | Impact-reinforcing agent having multilayered structure, method for preparing the same, and thermoplastic resin comprising the same | Jeongheon Ahn, Seon Hee Han | 2009-05-19 |
| 7535747 | Phase change random access memory and related methods of operation | Woo-Yeong Cho | 2009-05-19 |
| 7535760 | Memory devices and memory systems having the same | Won Seok Lee, Choong-Keun Kwak | 2009-05-19 |
| 7529124 | Phase change memory devices and systems, and related programming methods | Woo-Yeong Cho, Hye Jin Kim | 2009-05-05 |
| 7522449 | Phase change memory device and related programming method | Yu-Hwan Ro, Sang-Beom Kang, Woo-Yeong Cho | 2009-04-21 |
| 7486536 | Phase-changeable memory device and method of programming the same | Hye Jin Kim, Du-Eung Kim, Yu-Hwan Ro | 2009-02-03 |
| 7471553 | Phase change memory device and program method thereof | Du-Eung Kim, Sang-Beom Kang, Woo-Yeong Cho | 2008-12-30 |
| 7457152 | Non-volatile memory devices and systems including phase-change one-time-programmable (OTP) memory cells and related methods | Woo-Yeong Cho, Du-Eung Kim, Beak-Hyung Cho | 2008-11-25 |
| 7352616 | Phase change random access memory, boosting charge pump and method of generating write driving voltage | Sang-Beom Kang, Du-Eung Kim, Hyung-Rok Oh | 2008-04-01 |
| 7349245 | Non-volatile phase-change memory device and associated program-suspend-read operation | Hye Jin Kim, Sang-Beom Kang, Mu-Hui Park | 2008-03-25 |
| 7283387 | Phase change random access memory device having variable drive voltage circuit | Woo-Yeong Cho, Du-Eung Kim, Choong-Keun Kwak | 2007-10-16 |
| 7173082 | Acrylic impact modifier prepared by multi-stage polymerization and method for preparing the same | Jeong Heon Ahn, Chang Sun Han, Yong Hun Lee, Seon Hee Han, Hyung-Jun Son | 2007-02-06 |
| 6947307 | Package map data outputting circuit of semiconductor memory device and method for outputting package map data | Yong-Dae Park | 2005-09-20 |
| 6933758 | Synchronous mirror delay circuit with adjustable locking range | Tae H. Kim, Yong-Jin Yoon, Nam-Seog Kim | 2005-08-23 |
| 6901014 | Circuits and methods for screening for defective memory cells in semiconductor memory devices | Young-Jae Son, Uk-Rae Cho | 2005-05-31 |
| 6898133 | Package map data outputting circuit of semiconductor memory device and method for outputting package map data | Yong-Dae Park | 2005-05-24 |
| 6834366 | Method of outputting internal information through test pin of semiconductor memory and output circuit thereof | Nam-Seog Kim | 2004-12-21 |