Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842115 | Hydraulic clutch | Kouhei Ohzono, Kazuhiro Takeuchi | 1989-06-27 |
| 4795407 | Stepless transmission control device | Kohei Ohsono | 1989-01-03 |
YI
Yoshihisa Iwatsuka
Overall (1989): #12,486 of 140,708Top 9%
2
Patents 1989