Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8717127 | Circuit breaker | Shinichiro Ando, Koji Asakawa, W. P. Hemantha Desilva, Tomoo Yamazaki | 2014-05-06 |
| 7535327 | Circuit breaker | W. P. Hemantha Desilva, Koji Asakawa, Hideto Yamagata, Yasuhiro Takahashi | 2009-05-19 |
| 7187258 | Circuit breaker | Tomoo Yamazaki, Mitsuhiro Mitsushige, Koji Asakawa, Hideto Yamagata | 2007-03-06 |
| 7154062 | Circuit breaker | Koji Asakawa, Mitsuhiro Mitsushige, Yasuhiro Takahashi, Hisanobu Asano | 2006-12-26 |
| 6975190 | Contactor device of circuit breaker | Koji Asakawa, Mitsuhiro Mitsushige, Yasuhiro Takahashi, Hideto Yamagata | 2005-12-13 |