Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354821 | Gas circuit breaker | Toshiaki SAKUYAMA, Ryoichi Shiobara, Hajime Urai, Makoto Hirose, Takahiro Nishimura | 2019-07-16 |
| 10256060 | Gas circuit breaker | Taichiro Yamashita, Hiroaki Hashimoto, Hajime Urai, Makoto Hirose | 2019-04-09 |
| 10199188 | Gas circuit breaker | Yuki Nakai, Yoichi Oshita, Hiroaki Hashimoto, Hajime Urai, Katsuhiko Shiraishi | 2019-02-05 |