Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12385108 | All-in-one nickel recovering method for nickel hydroxide recovery from raw materials containing nickel | Heon Sik CHOI | 2025-08-12 |
| 12325894 | All-in-one nickel recovering method for nickel metal recovery from raw materials containing nickel | Heon Sik CHOI | 2025-06-10 |
| 12221716 | Method of manufacturing copper sulfate electrolyte | Gyun HU, Jong Hwan Yoon | 2025-02-11 |
| 11001507 | Method of recovering iron from zinc sulphate solution | — | 2021-05-11 |
| 10584398 | Autoclave and method for removing salt from autoclave | — | 2020-03-10 |