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, Takafumi Oura, Shinji Nakanishi, Hizuru Koshina | 2004-10-19 |
| 6723473 | Nonaqueous electrolyte secondary cell | Takafumi Oura, Kazuya Iwamoto, Shinji Nakanishi, Hizuru Koshina | 2004-04-20 |
| 6682856 | Secondary battery having a non-aqueous electrolyte | Shoichiro Watanabe, Kazuya Iwamoto, Jun Nunome, Hizuru Koshina | 2004-01-27 |