Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5466289 | Ultra high-strength hydraulic cement compositions | Toshio Yonezawa, Kenrou Mitsui, Makoto Nakazima, Mitsuo Kinoshita, Tsuneo Yamamoto | 1995-11-14 |
| 5087648 | Method of providing fluidizing property to hydraulic cement compositions using cement dispersion agents comprising water soluble vinyl copolymer | Mitsuo Kinoshita, Shozo Yamaguchi, Tsuneo Yamamoto | 1992-02-11 |
| 4962173 | Cement dispersion agents comprising water soluble vinyl copolymer | Mitsuo Kinoshita, Shozo Yamaguchi, Tsuneo Yamamoto | 1990-10-09 |