Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4475018 | Puffer type gas circuit breaker | Satomi Arimoto | 1984-10-02 |
HK
Hiroshi Kakeyama
Overall (All Time): #4,041,966 of 4,157,543Top 100%
1
Patents All Time