Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835214 | Process for the production of non-aqueous electrolyte battery | Masahiro Tagawa | 2004-12-28 |
| 6682847 | Aluminum battery casing with corrosion preventing film | Takefumi Inoue, Hiroaki Yoshida | 2004-01-27 |