Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455191 | Connecting part for connecting internal components of lead acid battery | Hiroyuki Ishiguro | 2002-09-24 |
| 6385829 | Manufacturing method for a lead-acid battery electrode plate | Akira Kamada, Masashi Watanabe | 2002-05-14 |
| 6367131 | Method for producing grid for a lead storage battery | Shigeharu Osumi, Kenji Yamanaka, Masahiko Kosai | 2002-04-09 |
| 6338919 | Electrode plate for lead-acid battery | Akira Kamada, Masashi Watanabe | 2002-01-15 |