Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409984 | Spinel-type lithium manganese complex oxide for a cathode active material of a lithium secondary battery | Yasuhisa Yamashita | 2002-06-25 |
| 6399248 | Spinel type lithium manganese complex oxide and lithium secondary battery | — | 2002-06-04 |