Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653023 | Rectangular battery | Masao Inoue, Takeo Hamamatsu, Hideyuki Asanuma | 2003-11-25 |
| 6579640 | Sealed rectangular battery and manufacturing method for the same | Takeo Hamamatsu, Masao Inoue, Hideyuki Asanuma, Naoyoshi Hinotsu | 2003-06-17 |