Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5638254 | Gas insulated switch gear device | Kenji Annou, Kyuji Yaginuma | 1997-06-10 |
| 5604340 | Gas insulated switchgear insertion resistor and main contacts operating mechanism having time delay feature | Hitoshi Yamada, Manabu Takamoto, Hideo Kawamoto | 1997-02-18 |