Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4677264 | Contact material for vacuum circuit breaker | Mitsuhiro Okumura, Eizo Naya, Shoji Murakami, Seiichi Miyamoto | 1987-06-30 |
MH
Mitsuhiro Harima
Overall (All Time): #3,977,617 of 4,157,543Top 100%
1
Patents All Time