Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878049 | Information transmission system for railway vehicles | Kenji Morihara | 1989-10-31 |
HO
Hajime Ochiai
Overall (1989): #108,002 of 140,708Top 80%
1
Patents 1989