Yuriko Sakaguchi

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Funabashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preventing hardened cementitious material from deteriora...
- Patent number 4,931,314
- Issue date Jun 5, 1990
- Nissan Chemical Industries Ltd.
- Makoto Takakura
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Silicate containing agent and cement surface modified with said agent
- Patent number 4,521,249
- Issue date Jun 4, 1985
- Nissan Chemical Industries, Ltd.
- Masamichi Obitsu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Agent and method for modifying surface layer of cement structures
- Patent number 4,443,496
- Issue date Apr 17, 1984
- Nissan Chemical Industries, Ltd.
- Masamichi Obitsu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES