Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11075586 | Solar power system and converter | Masao Mabuchi, Takao Mizokami, Kenji Kobayashi | 2021-07-27 |
| 10965211 | Conversion device and hybrid power supply system | Hirokazu EHARA, Kazumi Tsuchimichi, Kenji Kobayashi | 2021-03-30 |