Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8986519 | Electrowinning apparatus and method for recovering useful metals from aqueous solutions | Soo-Kyung Kim, Jae Chun Lee, Jeong Soo Sohn, Young Min OH | 2015-03-24 |
| 8882881 | Method for concentrating and recovering precious metals from spent mobile phone PCBS and spent auto-catalysts using waste nonferrous slag | Byung Su Kim, Dong Hyo Yang, Kang-In Rhee, Jae Chun Lee, Doyun Shin | 2014-11-11 |
| 7943113 | Lithium-manganese oxides, method for preparing the same, and lithium adsorbent using the same | Kang-Sup Chung, Jae Chun Lee, Yang-soo Kim, Hee Jin Kim | 2011-05-17 |
| 7867317 | Pre-treatment process for liberation of metals from waste printed circuit boards using organic solution | Jae Chun Lee, Jae-Min YOO, Manis Kumar Jha | 2011-01-11 |