ES

Etuo Sakai

DK Denki Kagaku Kogyo: 1 patents #291 of 655Top 45%
Overall (All Time): #3,371,557 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7459020 Cement admixture, cement composition, and cement concrete made therefrom Minoru Morioka, Yasuhiro Nakashima, Takayuki Higuchi, Mitsuo Takahashi, Kenji Yamamoto +1 more 2008-12-02