Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883138 | Four-wheel drive vehicle operating system | Osamu Kameda | 1989-11-28 |
HY
Hirokazu Yamasaki
Overall (1989): #103,630 of 140,708Top 75%
1
Patents 1989