Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7985293 | Hydraulic composition | Tsutomu Yamakawa | 2011-07-26 |
| 7588635 | Hydraulic composition | Tsutomu Yamakawa | 2009-09-15 |
| 7244840 | Admixture, extrudable hydraulic composition and method for the selection of admixture | Tsutomu Yamakawa | 2007-07-17 |
| 7151173 | Admixture, extrudable hydraulic composition and method for the selection of admixture | Tsutomu Yamakawa | 2006-12-19 |
| 6843845 | Admixture and extrudable hydraulic composition | Tsutomu Yamakawa | 2005-01-18 |
| 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 |
| 6656408 | Method for extrusion molding an extrudable cement-based or gypsum-based hydraulic composition | Masaki Tabata, Tsutomu Yamakawa | 2003-12-02 |