Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12343779 | Trimming device | Akira Fujii | 2025-07-01 |
| 9406912 | Sealed battery having a safety valve | Tomohiro Matsuura, Katsumi Ito, Akira Fujii | 2016-08-02 |
| 8900733 | Sealed battery and vehicle | Tomohiro Matsuura, Katsumi Ito, Akira Fujii | 2014-12-02 |