Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10772189 | Electricity storage unit | Tatsuya Sumida, Kazuhide Kitagawa, Hisao Hattori | 2020-09-08 |
| 10763693 | Back-up power source device and back-up system | — | 2020-09-01 |
| 10559430 | Power storage module | Tatsuya Sumida | 2020-02-11 |
| 10553841 | Power storage module | Tatsuya Sumida | 2020-02-04 |