HJ

Hak JANG

HC Hanmi Holdings Co.: 1 patents #21 of 59Top 40%
📍 Ulsan, KR: #463 of 1,040 inventorsTop 45%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8349969 Method for preparing high-purity polyethyleneglycol aldehyde derivatives Pyeong-Uk Park, Seong-Nyun Kim, Woo Hyuk Choi, Gwan Sun Lee, Se Chang Kwon 2013-01-08