Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723471 | Nonaqueous electrolyte secondary cell with a plural-layer carbonaceous negative electrode | Masaki Kitagawa, Hizuru Koshina, Toyoji Sugimoto, Shoji Yamaguchi | 2004-04-20 |
| 6686234 | Semiconductor device and method for fabricating the same | — | 2004-02-03 |