Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10991529 | Gas-blast circuit breaker | Jun Nukaga, Makoto Hirose, Takahiro Nishimura | 2021-04-27 |
| 9336974 | Gas circuit breaker | Hajime Urai, Makoto Koizumi, Makoto Hirose | 2016-05-10 |