Mineo Ito

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Concrete composition for roller compacted placing method
- Patent number 4,892,586
- Issue date Jan 9, 1990
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshiharu Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Cement additive containing superplasticizer and bentonite
- Patent number 4,861,378
- Issue date Aug 29, 1989
- Denki Kagaku Kogyo Kabushiki Kaisha
- Yoshiharu Watanabe
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES