Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6946505 | Cement dispersant, its production process, and cement composition using the cement dispersant | Noboru Sakamoto, Tsuyoshi Hirata | 2005-09-20 |
| 6919388 | Cement admixture and cement composition | Tomotaka Nishikawa, Hirokatsu Kawakami, Daisuke Imai, Hiromichi Tanaka, Tsuyoshi Hirata | 2005-07-19 |
| 6900275 | (Meth) acrylic acid (salt) polymer and its production process | Takashi Tomita, Hirokatsu Kawakami | 2005-05-31 |
| 6864337 | Polycarboxylic acid copolymer, production method and use thereof | Tomotaka Nishikawa, Noboru Sakamoto, Tsuyoshi Hirata, Hiroko Izukashi, Tomiyasu Ueta +3 more | 2005-03-08 |
| 6844372 | Crosslinked anion-exchange resin or salt thereof and phosphorus adsorbent comprising the same | Takeshi Goto, Kazuhisa Yoshitake, Kazuteru Moriyama, Shuichi Toriya, Hideyuki Nishibayashi | 2005-01-18 |