Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4616880 | Continuous excavating machine | Yasuo Nozaki, Takanori Koga | 1986-10-14 |
YO
Yoshikazu Oishi
Overall (All Time): #4,003,377 of 4,157,543Top 100%
1
Patents All Time