Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661235 | Method and device for detecting a partial discharge in an electrical device | Toshiaki Rokunohe | 2003-12-09 |
| 6252763 | Gas-insulated electrical apparatus | Yoshikatsu Enokida, Tokio Yamagiwa, Kenji Annou, Manabu Takamoto, Masahiro Shimokawa | 2001-06-26 |
| 5757614 | Gas insulated switchgear apparatus | Masaki Hachida, Takanobu Aoyama, Tadasuke Yamamoto | 1998-05-26 |
| 5581439 | Gas insulated switchgear | Masaki Hachida, Takanobu Aoyama | 1996-12-03 |
| 5298703 | Gas circuit breaker | Tuneo Kishi, Takashi Minakawa, Isao Nishida | 1994-03-29 |