Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9029444 | Dispersant for hydraulic composition | Shuichi Fujita, Toshimasa Hamai, Daisuke Hamada, Keiichiro Sagawa | 2015-05-12 |
| 7964682 | Method for producing phosphoric acid ester-based polymer | Masaaki Shimoda, Yoshinao Kono, Toshimasa Hamai, Daisuke Hamada, Yoshikazu Morii +1 more | 2011-06-21 |