Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5012053 | Contact device for a switch | — | 1991-04-30 |
| 4611188 | Circuit breaker | Takeshi Yura | 1986-09-09 |
| 4388506 | Circuit interrupter | Masao Horikawa | 1983-06-14 |
| 4325041 | Circuit interrupter | — | 1982-04-13 |