Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940254 | Trade-in battery system | Masayoshi Kanno, Shunichi Fujishima | 2005-09-06 |
| 6884543 | Material for positive electrode and secondary battery | Hisashi Tsujimoto, Yoshikatsu Yamamoto, Junji Kuyama, Atsuo Omaru, Hiroaki Tanizaki | 2005-04-26 |