Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868815 | Power transmission system | Mitsuhiro Suga, Tadashi Itsumi | 1989-09-19 |
SI
Soichi Iwamura
Overall (1989): #56,119 of 140,708Top 40%
1
Patents 1989