Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853184 | Contact material for vacuum interrupter | Nagata Yoshikazu, Horiuchi Toshiaki, Okumura Mitsuhiro, Demizu Michinosuke, Harima Mitsuhiro +2 more | 1989-08-01 |
NE
Naya Eizo
Overall (All Time): #3,934,177 of 4,157,543Top 95%
1
Patents All Time