Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9959999 | Method for controlling power switching apparatus | Koichiro Adachi, Hajime Urai, Masataka Sasaki | 2018-05-01 |
| 9899172 | Circuit breaker and circuit breaker operating method | Hajime Urai, Yasuaki Aoyama, Hiroaki Hashimoto, Tatsuro Kato, Ayumu Morita +2 more | 2018-02-20 |