Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865143 | Torque detecting device | Hiroshi Naito | 1989-09-12 |
AH
Akio Hashimoto
Overall (1989): #134,817 of 140,708Top 100%
1
Patents 1989