Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5788408 | Vibratory pneumatic tire roller | Akira Mitsui | 1998-08-04 |
| 5618133 | Vibrating mechanism and apparatus for generating vibrations for a vibration compacting roller with variable amplitude | Akira Mitsui, Hideki Iwakuma | 1997-04-08 |