Katsura Machine Co., Ltd.

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Maebashi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for changing a mold box for a concrete block molding machine
- Patent number 6,499,985
- Issue date Dec 31, 2002
- Katsura Machine Co, Ltd.
- Yoji Sekiguchi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Vibrating apparatus for forming concrete blocks
- Patent number 4,193,754
- Issue date Mar 18, 1980
- Katsura Machine Co., Ltd.
- Yoji Sekiguchi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Feeding device of a concrete block splitting apparatus
- Patent number 4,114,773
- Issue date Sep 19, 1978
- Katsura Machine Co., Ltd.
- Yoji Sekiguchi
- B28 - WORKING CEMENT, CLAY, OR STONE

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