Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10468200 | Power supply device | Tatsuya Sumida | 2019-11-05 |
| 10286860 | Electricity storage unit | Tatsuya Sumida, Kazuhide Kitagawa, Hisao Hattori | 2019-05-14 |
| 10236545 | Electricity storage module | Tatsuya Sumida | 2019-03-19 |