Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570042 | Gas-insulated switching apparatus | Satoru Yanabu, Susumu Nishiwaki | 1986-02-11 |
| 4493008 | Gas-insulated switchgear | — | 1985-01-08 |
| 4489291 | Circuit breaker provided with parallel resistor | Mitsuru Toyoda, Masanori Ishimatsu, Tsutomu Okutomi | 1984-12-18 |
| 4419552 | Circuit breaker | — | 1983-12-06 |
| 4378461 | Gas insulated bus with cooling means | — | 1983-03-29 |
| 4246459 | Gas circuit breaker | — | 1981-01-20 |
| 4231258 | Method and apparatus for detecting foreign matters in gas sealed electric apparatus | Shinichi Menju, Kunio Takahashi, Yoichi Murakami, Eiichi Zaima | 1980-11-04 |