Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10122281 | Power conversion device for cancelling leakage current | Qichen WANG | 2018-11-06 |
| 9960688 | DC power supply with multi-cell converter | Ryuji Yamada | 2018-05-01 |
| 9899835 | Uninterruptible power supply system | Kazuaki Mino, Ryuji Yamada | 2018-02-20 |
| 9887539 | Power conversion device | Qichen WANG | 2018-02-06 |