Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6833220 | Electrolyte for secondary battery and secondary battery | Shoichi Yokoyama, Takao Kobayashi, Kentaro Suwa | 2004-12-21 |
| 6790560 | Positive electrode material for lithium secondary battery | Yuji Tanjo | 2004-09-14 |