Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437027 | Process for producing dispersant for powdery hydraulic composition | Hirotaka Isomura, Hiroshi Hayashi, Koichi Soeda, Kenjiro Makino, Masaki Takimoto | 2002-08-20 |
| 5286292 | Method of treating fly ash and fly ash cement | Takeshi Kuroda, Takane Mukaino, Yukinori Saiki | 1994-02-15 |