Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437027 | Process for producing dispersant for powdery hydraulic composition | Hirotaka Isomura, Hiroshi Hayashi, Kazuhisa Tsukada, Koichi Soeda, Masaki Takimoto | 2002-08-20 |