Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8717127 | Circuit breaker | Shinichiro Ando, Koji Asakawa, Akifumi Sato, W. P. Hemantha Desilva | 2014-05-06 |
| 7187258 | Circuit breaker | Mitsuhiro Mitsushige, Koji Asakawa, Hideto Yamagata, Akifumi Sato | 2007-03-06 |