Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393886 | Cement dispersant and concrete composition containing the dispersant | Hirofumi Bandoh, Jun Imamura, Kaname Saitoh, Tetsu Tomoyose, Atsushi Kobayashi +2 more | 2008-07-01 |
| 6680348 | Cement dispersant and concrete composition containing the dispersant | Toshihiko Amaya, Akira Ikeda, Jun Imamura, Atsushi Kobayashi, Kaname Saito +1 more | 2004-01-20 |