Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5869796 | Contact device | Hiroyuki Hama | 1999-02-09 |
| 5483031 | Gas-insulated disconnector provided with structure for suppressing metal particles contamination | — | 1996-01-09 |
| 5126917 | Gas insulated switchgear | — | 1992-06-30 |
| 4565901 | Gas-insulated electric device | Koichi Hirooka, Yoshikuni Arahata | 1986-01-21 |
| 4490590 | Switching system with grounding device | — | 1984-12-25 |
| 4358631 | Heat dissipating electrical bushing | — | 1982-11-09 |
| 4316052 | Gas insulated transmission line having two-legged spacers disposed in a receiving structure | — | 1982-02-16 |