Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4891875 | Method for manufacturing a piston for an internal combustion engine | Hiroshi Kageyama | 1990-01-09 |
HS
Hara Soichi
Overall (All Time): #3,893,554 of 4,157,543Top 95%
1
Patents All Time