Hiroshi Yamada

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Kariya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Repairing material of a brick and a method of repairing a brick
- Patent number 5,035,919
- Issue date Jul 30, 1991
- Toshiba Ceramics Co., Ltd.
- Takao Sugino
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Repairing material of a brick
- Patent number 4,970,180
- Issue date Nov 13, 1990
- Toshiba Ceramics Co., Ltd.
- Takao Sugino
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES