JH

Ji-Hyeon HWANG

WC Woongjin Coway Co.: 1 patents #53 of 114Top 50%
Overall (All Time): #3,090,220 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8642002 Hydrogen gas production system utilizing silicon wastewater and method for production of hydrogen energy using the same Chae-Seok CHOI, Youn-Kook Kim 2014-02-04