Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8717127 | Circuit breaker | Shinichiro Ando, Koji Asakawa, Akifumi Sato, Tomoo Yamazaki | 2014-05-06 |
| 7535327 | Circuit breaker | Koji Asakawa, Hideto Yamagata, Akifumi Sato, Yasuhiro Takahashi | 2009-05-19 |