Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825189 | Train monitoring equipment | Kenji Morihara | 1989-04-25 |
HH
Hidetoshi Honma
Overall (1989): #105,467 of 140,708Top 75%
1
Patents 1989