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Patents Grants
last 30 patents
Information
Patent Grant
Refractory raw materials, method for production thereof and refract...
Patent number
7,060,642
Issue date
Jun 13, 2006
Kyushu Refractories Co., Ltd.
Tsunemi Ochiai
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Monolithic refractory and gunning material using the refractory
Patent number
5,866,490
Issue date
Feb 2, 1999
Kyushu Refractories Co., Ltd.
Akira Watanabe
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Injection material for use in blast furnace
Patent number
5,000,427
Issue date
Mar 19, 1991
Sumitomo Metal Industries, Ltd.
Takeshi Iba
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Glass ceramics
Patent number
4,943,541
Issue date
Jul 24, 1990
Kyushu Refractories Co., Ltd.
Akira Watanabe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method of manufacturing longer fibers of potassium titanate
Patent number
4,732,749
Issue date
Mar 22, 1988
Kyushu Refractories Co., Ltd.
Akira Watanabe
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
High strength calcium phosphate glass-ceramic materials
Patent number
4,681,633
Issue date
Jul 21, 1987
Kyushu Refractories Co., Ltd.
Akira Watanabe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Good aesthetic artificial dental materials by calcium phosphate gla...
Patent number
4,626,514
Issue date
Dec 2, 1986
Kyushu Refractories Co., Ltd.
Akira Watanabe
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Silicon nitride composite refractories
Patent number
4,540,674
Issue date
Sep 10, 1985
Kyushu Refractories Co., Ltd.
Akira Watanabe
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Forsterite-carbon refractory
Patent number
4,497,901
Issue date
Feb 5, 1985
Nippon Steel Corporation
Yuzo Ohtsuki
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Carbon-bonded magnesia carbon bricks
Patent number
4,431,745
Issue date
Feb 14, 1984
Kyushu Refractories Co., Ltd.
Akira Watanabe
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Processes for the preparation of fiberous titanic acid metal salts
Patent number
4,282,200
Issue date
Aug 4, 1981
Kyushu Refractories Co., Ltd.
Yasuo Nishikawa
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fibrous crystalline potassium titanate and processes for preparing...
Patent number
4,179,496
Issue date
Dec 18, 1979
Kyushu Refractories Co., Ltd.
Hiroaki Yanagida
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Catalyst for reduction of nitrogen oxides and method for manufactur...
Patent number
4,160,744
Issue date
Jul 10, 1979
Kyushu Refractories Co., Ltd.
Akira Watanabe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for manufacture of catalyst used for reduction of nitrogen o...
Patent number
4,096,096
Issue date
Jun 20, 1978
Kyushu Refractories Co., Ltd.
Yasuo Nishikawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for the reduction of nitrogen oxides and method for the pr...
Patent number
4,093,561
Issue date
Jun 6, 1978
Kyushu Refractories Co., Ltd.
Yasuo Nishikawa
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Alumina-chrome refractory composition
Patent number
4,039,344
Issue date
Aug 2, 1977
Kyushu Refractories Co., Ltd.
Yasuo Nishikawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Patents Applications
last 30 patents
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last 30 trademarks