Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827795 | Connecting rod for internal combustion engine and method of manufacture | Isao Machida, Yasunori Sato | 1989-05-09 |
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Yoshiji Yamada
Overall (1989): #40,011 of 140,708Top 30%
1
Patents 1989