Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9385378 | Method for manufacturing lead-acid battery | Hiroki Tsuji, Kazuya Sasaki, Naoki Tsuji, Kenichi Maeda, Yoshifumi Yamada | 2016-07-05 |
| 8999572 | Lead-acid battery and method for manufacturing current collector for lead-acid battery | Hiroki Tsuji, Kazuya Sasaki, Naoki Tsuji, Kenichi Maeda, Yoshifumi Yamada | 2015-04-07 |