Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4520246 | On-load tap changer of the type of vacuum switches | Toshio Yoshii | 1985-05-28 |
SF
Shigeyoshi Furukawa
Overall (All Time): #4,015,809 of 4,157,543Top 100%
1
Patents All Time