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Chang-Young Choi

KE Kemco: 2 patents #1 of 5Top 20%
KC Korea Zinc Co.: 2 patents #2 of 9Top 25%
📍 Yongin-si, KR: #824 of 2,761 inventorsTop 30%
Overall (2024): #178,997 of 561,600Top 35%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12163204 Method for producing aqueous solution containing nickel, cobalt and manganese Heon Sik CHOI, Yun Birm Choi, James Choi 2024-12-10
11926882 Method for producing aqueous solution containing nickel or cobalt Heon Sik CHOI, Jae-Hoon Joo 2024-03-12