Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909197 | Cement distributing vehicle | Kikuo Kaga, Kenji Umeda, Takeyoshi Hirai, Shunsaku Wakabayashi | 2005-06-21 |
| 6826448 | Cement distribution system | Kikuo Kaga, Kenji Umeda, Takeyoshi Hirai, Shunsaku Wakabayashi | 2004-11-30 |