Etsuo Sakai

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Ichikawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cement admixture and cement composition
- Patent number 5,192,366
- Issue date Mar 9, 1993
- Denki Kagaku Koygo Kabushiki Kaisha
- Asaaki Nishioka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hydraulic material composition having high strength
- Patent number 4,933,013
- Issue date Jun 12, 1990
- Denki Kagaku Kogyo Kabushiki Kaisha
- Etsuo Sakai
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hydraulic material composition having high strength
- Patent number 4,915,740
- Issue date Apr 10, 1990
- Denki Kagaku Kogyo Kabushiki Kaisha
- Etsuo Sakai
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Mold assembly
- Patent number 4,708,626
- Issue date Nov 24, 1987
- Denki Kagaku Kogyo Kabushiki Kaisha
- Etsuo Sakai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL