Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4189666 | Speed control system for small size D-C electric motor | Yoshio Tetsugu, Hiromitsu Nakano, Hiroshi Minakuchi, Isao Yoshida, Mitsuharu Ota +1 more | 1980-02-19 |
TO
Tomio Oyama
Overall (All Time): #4,106,679 of 4,157,543Top 100%
1
Patents All Time