Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5457294 | UHV breaker provided with resistances | Norimitsu Kato, Hiroshi Sato, Shigeki Nishizumi, Hiroaki Toda | 1995-10-10 |
| 5401923 | Resistor-provided UHV breaker | Norimitsu Kato, Hiroshi Sato, Shigeki Nishizumi, Hiroaki Toda | 1995-03-28 |
| 4994932 | Superconducting current limiting apparatus | Masaru Okamoto, Hitoshi Mizoguchi, Masayuki Ishikawa, Katsumi Suzuki, Susumu Nishiwaki +3 more | 1991-02-19 |
| 4665289 | Puffer type gas insulated circuit breaker | Satoru Yanabu, Hitoshi Mizoguchi, Katsumi Suzuki, Mitsuru Toyoda, Edmond Thuries | 1987-05-12 |
| 4516006 | Puffer type gas-blast circuit breaker | Akio Kobayashi, Hitoshi Mizoguchi, Hidekiyo Mayama | 1985-05-07 |
| 4305107 | DC Interrupting apparatus | Minoru Murano, Satoru Yanabu, Tohru Tamagawa | 1981-12-08 |
| 4262215 | Direct current interrupter | Satoru Yanabu, Tohru Tamagawa, Hidekiyo Mayama | 1981-04-14 |