Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6790560 | Positive electrode material for lithium secondary battery | Masataka Wakihara | 2004-09-14 |
| 6773849 | Battery set and method for producing electric power output | Takanori Itoh | 2004-08-10 |