Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8199445 | Gas insulated circuit breaker system and gas insulated circuit breaker monitoring method | Shiro Maruyama, Takashi Nakajima, Hiroyuki Hayata, Kazuhide Bannai, Kozo Matsushita | 2012-06-12 |
| 5289634 | Valve assembling method and assembled valve checking method | Sueyoshi Makino, Tateyuki Inagi, Tadashi Shimada, Asashi Nishikiori, Yoshiaki Suwa +1 more | 1994-03-01 |