Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7501021 | Rheology modifier | Koji Koyanagi, Toshiharu Kojima, Hotaka Yamamuro | 2009-03-10 |
| 6264739 | Dispersant for plaster | Kazushige Kitagawa, Yoshinao Kohno | 2001-07-24 |
| 6068697 | Polysaccharide derivatives and hydraulic compositions | Hotaka Yamamuro, Takeshi Ihara, Tomohito Kitsuki, Tetsuya Miyajima, Makoto Kohama | 2000-05-30 |
| 5911820 | Concrete admixture | Haruyuki Satoh, Yoshinao Kono, Sayuri Nakamura | 1999-06-15 |
| 5707445 | Admixture for concrete | Shuichi Fujita, Yoshiaki Tanisho, Kazushige Kitagawa, Haruyuki Satoh | 1998-01-13 |