Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10205193 | Lead acid battery | Kenji Izumi, Yoshinobu Sato, Takeshi Chiba, Yu Kojima, Kazuhiro Sugie | 2019-02-12 |
| 9356321 | Lead-acid battery | Misaki Harada, Kazuhiro Sugie, Kenji Izumi, Yu Kojima, Kazuhiko Shimoda +1 more | 2016-05-31 |