Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192874 | Lithium secondary battery of electrolyte containing ammonium compounds | Jisang Yu, Byungchul Choi, Changjoo Han | 2012-06-05 |
| 7638229 | Lithium secondary battery of electrolyte containing ammonium compounds | Jisang Yu, Byungchul Choi, Changjoo Han | 2009-12-29 |