Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4561326 | Friction drive planetary roller type speed reducer | Takafumi Hamabe, Hikoyoshi Hara | 1985-12-31 |
| 4541305 | Speed reducer | Takafumi Hamabe, Hikoyoshi Hara | 1985-09-17 |
| 4475285 | Electric shaver having improved hair disposal system | Hikoyoshi Hara, Youji Iguchi | 1984-10-09 |