Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881427 | Crankshaft of internal combustion engine and method of producing the same | — | 1989-11-21 |
KY
Kousuke Yasutake
Overall (1989): #85,776 of 140,708Top 65%
1
Patents 1989