Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DK

Du-Eung Kim

Samsung: 98 patents #475 of 75,807Top 1%
Yongin-si, KR: #89 of 9,683 inventorsTop 1%
Overall (All Time): #15,189 of 4,157,543Top 1%
98 Patents All Time

Issued Patents All Time

Showing 26–50 of 98 patents

Patent #TitleCo-InventorsDate
7961504 Phase change random access memory device and related methods of operation Hye Jin Kim, Kwang-Jin Lee 2011-06-14
7961508 Phase-change random access memory Byung-Gil Choi, Woo-Yeong Cho, Hye Jin Kim 2011-06-14
7949928 Semiconductor memory device and data error detection and correction method of the same Kwang-Jin Lee, Won Seok Lee 2011-05-24
7944741 Apparatus and systems using phase change memories Beak-Hyung Cho, Woo-Yeong Cho 2011-05-17
7936619 Nonvolatile memory, memory system, and method of driving Joon-Min Park, Kwang-Jin Lee, Woo-Yeong Cho, Hui-Kwon Seo 2011-05-03
7920432 Semiconductor device having resistance based memory array, method of reading, and systems associated therewith Kwang-Jin Lee, Yong Jun Lee 2011-04-05
7894277 Semiconductor device having resistance based memory array, method of reading and writing, and systems associated therewith Kwang-Jin Lee, Hye Jin Kim 2011-02-22
7889545 Apparatus and method of nonvolatile memory device having three-level nonvolatile memory cells Kwang-Jin Lee, Woo-Yeong Cho 2011-02-15
7881103 Phase-change memory device and method of fabricating the same Chang-Soo Lee, Woo-Yeong Cho, Byung-Gil Choi 2011-02-01
7876609 Nonvolatile memory device and related methods of operation Kwang-Jin Lee, Choong-Keun Kwak 2011-01-25
7859882 Resistive memory device and method of writing data Woo-Yeong Cho, Sang-Beom Kang 2010-12-28
7838862 Phase random access memory with high density Hyung-Rok Oh, Beak-Hyung Cho, Woo-Yeong Cho 2010-11-23
7835199 Nonvolatile memory using resistance material Joon-Yong Choi, Byung-Gil Choi 2010-11-16
7830699 Resistance variable memory device reducing word line voltage Byung-Gil Choi 2010-11-09
7751234 Phase change memory device and program method thereof Kwang-Jin Lee, Sang-Beom Kang, Woo-Yeong Cho 2010-07-06
7746688 PRAM and method of firing memory cells Hye Jin Kim, Kwang-Jin Lee, Woo-Yeong Cho, Chang-han Choi, Ki-Won Lim 2010-06-29
7729160 Phase-change random access memory Byung-Gil Choi, Woo-Yeong Cho, Hye Jin Kim 2010-06-01
7701757 Phase change random access memory device and related methods of operation Hye Jin Kim, Kwang-Jin Lee 2010-04-20
7688620 Nonvolatile memory device and related methods of operation Kwang-Jin Lee, Choong-Keun Kwak 2010-03-30
7668007 Memory system including a resistance variable memory device Byung-Gil Choi, Woo-Yeong Cho, Hyung-Rok Oh, Beak-Hyung Cho, Yu-Hwan Ro 2010-02-23
7668006 Multi-port phase change random access memory cell and multi-port phase change random access memory device including the same Kwang-Jin Lee, Chang-Soo Lee, Qi Wang 2010-02-23
7643335 Apparatus and systems using phase change memories Beak-Hyung Cho, Woo-Yeong Cho 2010-01-05
7639522 Method of driving multi-level variable resistive memory device and multi-level variable resistive memory device Woo-Yeong Cho, Ki-Sung Kim 2009-12-29
7613037 Phase-change memory device and method of fabricating the same Chang-Soo Lee, Woo-Yeong Cho, Byung-Gil Choi 2009-11-03
7589367 Layout structure in semiconductor memory device comprising global work lines, local work lines, global bit lines and local bit lines Hyung-Rok Oh, Sang-Beom Kang 2009-09-15