Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644301 | Prismatic secondary battery and assembled battery using the same | Ryoichi Wakimoto, Kazuhiro Kitaoka, Isao Fujiwara | 2020-05-05 |
| 10535860 | Nonaqueous electrolyte secondary battery | Isao Fujiwara | 2020-01-14 |