Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8063600 | Thermally actuated overload tripping device | Isamu Nagahiro, Motohiro Shimizu | 2011-11-22 |
| 7170020 | Circuit breaker and terminal cover | Katsunori Kuboyama, Isamu Nagahiro | 2007-01-30 |
| 6897760 | Circuit breaker | Isamu Ohshima, Yoshimi Jumonji, Katsunori Kuboyama, Tatsunori Takahashi | 2005-05-24 |
| 6642820 | Protective switch | Takeshi Emura, Koji Asakawa, Katsunori Kuboyama | 2003-11-04 |
| 6600116 | Switch mounting structure | Naoshi Uchida, Katsunori Kuboyama | 2003-07-29 |
| 6392514 | Terminal unit for multipolar switch | Naoshi Uchida, Katsunori Kuboyama, Mitsuyoshi Yamazaki | 2002-05-21 |
| 6255608 | Terminal structure of switch | Naoshi Uchida, Katsunori Kuboyama, Tatsunori Takahashi | 2001-07-03 |
| 6229414 | Make-and-break mechanism for circuit breaker | Kentaro Toyama, Naoshi Uchida, Tatsunori Takahashi, Koji Nomura, Katsunori Kuboyama +3 more | 2001-05-08 |