Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8104947 | Concrete agitating drum driving device | Kunihiro Ando, Masaya Abe | 2012-01-31 |
| 7866875 | Concrete agitating drum driving device | Masaya Abe, Kunihiro Ando | 2011-01-11 |
| 7467889 | Hydraulic driving device for concrete agitating drum responsive to engine speed | Masaya Abe, Kunihiro Ando | 2008-12-23 |