Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10838005 | Differential voltage measuring device | Hironao Fujii | 2020-11-17 |
| 10666066 | Differential voltage measurement device | Hironao Fujii, Kei Matsumoto | 2020-05-26 |
| 10627450 | Battery state detection device | Hironao Fujii, Kei Matsumoto | 2020-04-21 |