Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6680348 | Cement dispersant and concrete composition containing the dispersant | Akira Ikeda, Jun Imamura, Atsushi Kobayashi, Kaname Saito, Wernher M. Danzinger +1 more | 2004-01-20 |