Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6723471 | Nonaqueous electrolyte secondary cell with a plural-layer carbonaceous negative electrode | Hizuru Koshina, Toyoji Sugimoto, Shoji Yamaguchi, Manabu Hayashi | 2004-04-20 |
| 6713217 | Nonaqueous electrolyte secondary battery with a polyolefin microporous membrane separator | Takafumi Oura, Hajime Nishino, Hizuru Koshina | 2004-03-30 |
| 6681484 | Method for manufacturing electronic component | Eiichi Nagatsuka, Toshio Kitagawa, Akito Asakura, Akihiko Ueyama | 2004-01-27 |