Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10916394 | Gas circuit breaker | Toshiaki SAKUYAMA, Hajime Urai, Masanao Terada, Ryoichi Shiobara, Takahiro Nishimura +1 more | 2021-02-09 |
| 10699863 | Gas circuit breaker | Toshiaki SAKUYAMA, Masanao Terada, Hajime Urai, Takahiro Nishimura | 2020-06-30 |