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Chang-han Choi

Samsung: 3 patents #30,683 of 75,807Top 45%
📍 Yongin-si, KR: #4,737 of 9,683 inventorsTop 50%
Overall (All Time): #1,569,869 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7848165 Methods of operating phase-change random access memory devices Ho-keun Cho, Byung-Gil Choi, Ki-Sung Kim, Jong-Chul Park, Jong-Soo Seo 2010-12-07
7746688 PRAM and method of firing memory cells Hye Jin Kim, Kwang-Jin Lee, Du-Eung Kim, Woo-Yeong Cho, Ki-Won Lim 2010-06-29
7573766 Phase change random access memory and method of testing the same Byung-Gil Choi, Beak-Hyung Cho, Du-Eung Kim, Yu-Hwan Ro 2009-08-11