HC

Heon Sik CHOI

KC Korea Zinc Co.: 6 patents #1 of 14Top 8%
KE Kemco: 5 patents #1 of 7Top 15%
KS Kolon Life Science: 1 patents #12 of 35Top 35%
📍 Ulsan, KR: #76 of 1,040 inventorsTop 8%
Overall (All Time): #678,711 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
12385108 All-in-one nickel recovering method for nickel hydroxide recovery from raw materials containing nickel Je Joong Lee 2025-08-12
12325894 All-in-one nickel recovering method for nickel metal recovery from raw materials containing nickel Je Joong Lee 2025-06-10
12258282 Method for producing nickel sulfate solution for secondary battery from nickel cathode Jae-Hoon Joo, Tae Kyung LEE 2025-03-25
12163204 Method for producing aqueous solution containing nickel, cobalt and manganese Yun Birm Choi, Chang-Young Choi, James Choi 2024-12-10
12046727 Method for recovery of valuable metals from spent secondary batteries Tae-Hoon Yoon 2024-07-23
11926882 Method for producing aqueous solution containing nickel or cobalt Jae-Hoon Joo, Chang-Young Choi 2024-03-12
11614441 Method for assessing validity of cell therapy product Su Jeong Kim, Sang Eun NOH, Jun Ho Lee, Hyeon Youl LEE, Kyoung Baek CHOI 2023-03-28