Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165359 | Power conversion system configured to perform power conversion between direct current and three-phase alternating current | Fumito Kusama, Takaaki Norisada | 2021-11-02 |
| 10924024 | Regenerative power conversion system with inverter and converter | Takaaki Norisada, Keiji Akamatsu, Fumito Kusama, Go Yamada, Makoto Ozone | 2021-02-16 |
| 10840814 | Power conversion system | Fumito Kusama, Makoto Ozone, Takaaki Norisada | 2020-11-17 |
| 10778106 | Power conversion system | Fumito Kusama, Takaaki Norisada, Makoto Ozone | 2020-09-15 |