Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8986519 | Electrowinning apparatus and method for recovering useful metals from aqueous solutions | Soo-Kyung Kim, Jae Chun Lee, Jin Ki Jeong, Young Min OH | 2015-03-24 |
| 8440153 | Method for preparing manganese sulfate and zinc sulfate from waste batteries containing manganese and zinc | Shun Myung Shin, Jin Gu KANG, Hyun Gun Kim, Moon Ho Kim | 2013-05-14 |