Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718058 | Reduced iron production method using electrowinning method, and reduced iron produced thereby | Jong Ha Park, Ho-Gil Choi | 2020-07-21 |
| 10465306 | Method for preparing titanium by using electrowinning | Jong Ha Park, Ho-Gil Choi | 2019-11-05 |