Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10018666 | Partial discharge monitoring system and partial discharge monitoring method | Shiro Maruyama, Minoru Saito, Takashi Nakajima, Shin Hasegawa, Toshiyuki Saida | 2018-07-10 |
| 8199445 | Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method | Shiro Maruyama, Takashi Nakajima, Kazuhide Bannai, Kozo Matsushita, Hideo Ishizuka | 2012-06-12 |