Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4516006 | Puffer type gas-blast circuit breaker | Akio Kobayashi, Hitoshi Mizoguchi, Hisatoshi Ikeda | 1985-05-07 |
| 4262215 | Direct current interrupter | Satoru Yanabu, Tohru Tamagawa, Hisatoshi Ikeda | 1981-04-14 |