YP

Yun Cheol Park

KC Korea Kumho Petrochemical Co.: 1 patents #168 of 342Top 50%
Overall (All Time): #2,636,030 of 4,157,543Top 65%
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Patent #TitleCo-InventorsDate
11242442 Additive composition and method of preparing the same Kee Yoon ROH, Jung Hee Jang, Nam Hyun CHO 2022-02-08