Keizo Sakaguchi

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Kawanishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for manufacture of glass fiber-reinforced cement non-plate...
- Patent number 4,562,030
- Issue date Dec 31, 1985
- Kurimoto Iron Works, Ltd.
- Keizo Sakaguchi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Glass fiber-reinforced cement non-plate articles
- Patent number 4,412,561
- Issue date Nov 1, 1983
- Kurimoto Iron Works, Ltd.
- Keizo Sakaguchi
- B28 - WORKING CEMENT, CLAY, OR STONE