Keiji Sugiura

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Copolymer of polymerizable components in naphtha oil and maleic anh...
- Patent number 5,229,449
- Issue date Jul 20, 1993
- Kawasaki Steel Corporation
- Norihide Enomoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Copolymer of polymerizable components in naphtha oil and maleic anh...
- Patent number 5,191,049
- Issue date Mar 2, 1993
- Kawasaki Steel Corp.
- Norihide Enomoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Dispersant and cement admixture
- Patent number 5,179,170
- Issue date Jan 12, 1993
- Kawasaki Steel Corporation
- Kimiyo Ohtsu
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Copolymer of polymerizable components in naphtha oil and maleic anh...
- Patent number 5,166,275
- Issue date Nov 24, 1992
- Kawasaki Steel Corporation
- Norihide Enomoto
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES