Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723471 | Nonaqueous electrolyte secondary cell with a plural-layer carbonaceous negative electrode | Masaki Kitagawa, Hizuru Koshina, Shoji Yamaguchi, Manabu Hayashi | 2004-04-20 |