Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806004 | Polymeric solid electrolyte and lithium secondary cell using the same | Kazuya Iwamoto, Shinji Nakanishi, Atsushi Ueda, Hizuru Koshina | 2004-10-19 |
| 6723473 | Nonaqueous electrolyte secondary cell | Kazuya Iwamoto, Shinji Nakanishi, Atsushi Ueda, Hizuru Koshina | 2004-04-20 |
| 6713217 | Nonaqueous electrolyte secondary battery with a polyolefin microporous membrane separator | Masaki Kitagawa, Hajime Nishino, Hizuru Koshina | 2004-03-30 |