Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871936 | Commutator for a starter motor | Yoshifumi Akae, Koji Arima, Tetsuo Yagi | 1989-10-03 |
TY
Takasi Yamamoto
Overall (1989): #52,003 of 140,708Top 40%
1
Patents 1989