Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7530270 | Inspection method and inspection apparatus of reinforced concrete pipe | Takushi Minagi | 2009-05-12 |
| 7426879 | Inspection method and inspection apparatus of reinforced concrete pipe | Takushi Minagi | 2008-09-23 |
| 7360462 | Method and equipment for inspecting reinforced concrete pipe | Takushi Minagi | 2008-04-22 |