Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6576216 | Method of manufacturing lithium-manganese oxide for use in lithium secondary battery | Yi-Sup Han, Kyu-sung Park | 2003-06-10 |
| 6558843 | Method for manufacturing lithium-manganese oxide powders for use in lithium secondary battery | Yi-Sup Han | 2003-05-06 |