Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887655 | Heavy duty-high pressure pneumatic radial tires | Isamu Imai | 1989-12-19 |
| 4807682 | Heavy duty pneumatic tire | Isamu Imai | 1989-02-28 |
NI
Norio Inada
Overall (1989): #19,234 of 140,708Top 15%
2
Patents 1989