Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333325 | Steering shaft locking device | Minoru Morikawa, Sadao Kokubu | 1982-06-08 |
TH
Tadashi Hirai
Overall (All Time): #4,070,846 of 4,157,543Top 100%
1
Patents All Time