Akira Hirayama

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Mold for use in slip casting method, and method of manufacturing op...
- Patent number 6,866,803
- Issue date Mar 15, 2005
- Toto Ltd.
- Akio Matsumoto
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of slip casting powdery material, using a water resistant mo...
- Patent number 6,165,398
- Issue date Dec 26, 2000
- Toto Ltd.
- Akio Matsumoto
- B28 - WORKING CEMENT, CLAY, OR STONE