Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819505 | Balancer shafts for use in multicylinder engines | Kazuo Isayama, Syoji Yamashita | 1989-04-11 |
HT
Hiroichi Takubo
Overall (1989): #103,922 of 140,708Top 75%
1
Patents 1989