SC

Sung Keum Choi

HC Hodogaya Chemical Co.: 1 patents #201 of 359Top 60%
Overall (All Time): #2,776,116 of 4,157,543Top 70%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10566543 Pyrimidine derivative and organic electroluminescent devices Norimasa Yokoyama, Shuichi Hayashi, Hideyoshi Kitahara, Si-In KIM, Ji-Yung KIM +1 more 2020-02-18