Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4791256 | Insulated nozzle for use in an interrupter | Takashi Yonezawa, Toshiaki Yoshizumi, Mamoru Hosomi, Ichiro Yamasaki | 1988-12-13 |
| 4705144 | Spring operating mechanism for a circuit interrupter | Kiyoshi Yabe | 1987-11-10 |