Takashi Ayata

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Sakura-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cement additive, and concrete composition and structure both contai...
- Patent number 6,630,020
- Issue date Oct 7, 2003
- Sanyo Chemical Industries, Ltd.
- Yoshihide Shimoyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Cement additive, and concrete composition and structure both contai...
- Publication number 20030024441
- Publication date Feb 6, 2003
- Yoshihide Shimoyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES