Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650907 | Circuit breaker | Kazuhiro Ishii, Ichiro Arinobu, Kazushi Sato | 1997-07-22 |
| 5173833 | Circuit breaker with detachable tripping tester | Kazuhiro Ishii | 1992-12-22 |
| 5170309 | Four-pole circuit breaker | Kazuhiro Ishii, Ichiro Arinobu, Kazushi Sato | 1992-12-08 |
| 5124875 | Overcurrent protection apparatus | Kazuhiro Ishii | 1992-06-23 |
| 5086366 | Prealarm circuit breaker | Kazuhiro Ishii, Ichiro Arinobu, Kazushi Sato | 1992-02-04 |