Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187258 | Circuit breaker | Tomoo Yamazaki, Koji Asakawa, Hideto Yamagata, Akifumi Sato | 2007-03-06 |
| 7154062 | Circuit breaker | Koji Asakawa, Yasuhiro Takahashi, Akifumi Sato, Hisanobu Asano | 2006-12-26 |
| 6975190 | Contactor device of circuit breaker | Akifumi Sato, Koji Asakawa, Yasuhiro Takahashi, Hideto Yamagata | 2005-12-13 |
| 6924720 | Circuit breaker | Masao Miura, Koji Asakawa, Yasuhiro Takahashi, Hideto Yamagata | 2005-08-02 |
| 6911614 | Circuit breaker | Hisanobu Asano, Hideto Yamagata, Yasuhiro Takahashi | 2005-06-28 |