Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8263688 | Dispersion-retaining agent for hydraulic composition | Daisuke Hamada, Kenichiro Yabe, Keiichiro Sagawa, Masaaki Shimoda, Yoshinao Kono +1 more | 2012-09-11 |
| 7964682 | Method for producing phosphoric acid ester-based polymer | Masaaki Shimoda, Yoshinao Kono, Toshimasa Hamai, Daisuke Hamada, Yoshikazu Morii +1 more | 2011-06-21 |
| 7470733 | Additive for hydraulic compositions | Kyoichi Shirota, Masaaki Shimoda, Yoshikazu Morii, Masayoshi Ehara, Toshimasa Hamai +1 more | 2008-12-30 |
| 5707445 | Admixture for concrete | Fujio Yamato, Shuichi Fujita, Kazushige Kitagawa, Haruyuki Satoh | 1998-01-13 |
| 5256199 | Cement admixture | Fuzio Yamato, Shuichi Fujita, Tatsuo Izumi, Kazushige Kitagawa | 1993-10-26 |
| 4963190 | Dispersant composition for cement | Tatsuya Mizunuma, Ryoichi Tamaki, Shoji Kanzaki, Fuzio Yamato | 1990-10-16 |