Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6897760 | Circuit breaker | Hisao Kawata, Isamu Ohshima, Katsunori Kuboyama, Tatsunori Takahashi | 2005-05-24 |
| 6621020 | Breaking mechanism for circuit breaker | Kentaro Toyama, Naoshi Uchida, Tatsunori Takahashi, Seiichi Suzuki, Tsuneo Fujiwara +3 more | 2003-09-16 |