Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4346356 | Circuit breaker with increased contact separation | Kohei Fujiwara | 1982-08-24 |
| 4321440 | Circuit breaker with extended contact separation after trip | Kouhei Fujiwara | 1982-03-23 |