Masato Sakiyama

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Calcium silicate board and method of manufacturing same
- Patent number 6,139,620
- Issue date Oct 31, 2000
- Ask Corporation
- Seishiro Suzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Calcium silicate board and method of manufacture therefor
- Patent number 5,952,087
- Issue date Sep 14, 1999
- Ask Corporation
- Masato Sakiyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method of manufacturing calcium silicate board
- Patent number 5,851,354
- Issue date Dec 22, 1998
- Ask Corporation
- Masato Sakiyama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES