Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6814799 | Hydraulic composition for extrusion molding | Tsutomu Yamakawa | 2004-11-09 |
| 6811605 | Admixture and extrudable hydraulic composition | Tsutomu Yamakawa | 2004-11-02 |
| 6755908 | Admixture and extrudable hydraulic composition | Tsutomu Yamakawa | 2004-06-29 |