Koichi Yamada

Person

Niihama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sintered silicon carbide articles
- Patent number 4,994,417
- Issue date Feb 19, 1991
- Sumitomo Aluminum Smelting Company, Limited
- Koichi Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fibrous white electrically conductive material and a white electric...
- Patent number 4,933,109
- Issue date Jun 12, 1990
- Sumitomo Chemical Company, Limited
- Koichi Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing high-density sintered silicon carbide articles
- Patent number 4,788,018
- Issue date Nov 29, 1988
- Sumitomo Chemical Company, Limited
- Koichi Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for producing sintered silicon carbide product
- Patent number 4,770,829
- Issue date Sep 13, 1988
- Sumitomo Chemical Company, Limited
- Koichi Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for manufacturing high-strength sintered silicon carbide art...
- Patent number 4,562,040
- Issue date Dec 31, 1985
- Sumitomo Aluminium Smelting Company, Ltd.
- Koichi Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the production of low density activated alumina formed...
- Patent number 4,444,899
- Issue date Apr 24, 1984
- Sumitomo Aluminum Smelting Company, Limited
- Koichi Yamada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for extracting alumina from aluminous ores
- Patent number 4,426,363
- Issue date Jan 17, 1984
- Sumitomo Aluminium Smelting Company, Ltd.
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing metallic gallium
- Patent number 4,421,615
- Issue date Dec 20, 1983
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing coarse grains of aluminum hydroxide
- Patent number 4,364,919
- Issue date Dec 21, 1982
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sintering method of zirconia
- Patent number 4,344,904
- Issue date Aug 17, 1982
- Sumitomo Aluminium Smelting Co., Ltd.
- Koichi Yamada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for producing coarse grains of aluminum hydroxide
- Patent number 4,311,486
- Issue date Jan 19, 1982
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the removal of impurities from sodium aluminate solution
- Patent number 4,263,261
- Issue date Apr 21, 1981
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hollow catalyst carrier and hollow catalyst made of transition-alum...
- Patent number 4,260,524
- Issue date Apr 7, 1981
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the removal of sulfur oxides from exhaust gases using s...
- Patent number 4,222,992
- Issue date Sep 16, 1980
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for the removal of organic substances from alkali metal alum...
- Patent number 4,215,094
- Issue date Jul 29, 1980
- Sumitomo Aluminum Smelting Company, Ltd.
- Jun-ichi Inao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing alumina sols
- Patent number 4,211,667
- Issue date Jul 8, 1980
- Sumitomo Aluminium Smelting Company, Limited
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the separation of precipitated aluminum hydroxide from s...
- Patent number 4,201,749
- Issue date May 6, 1980
- Sumitomo Aluminium Smelting Company, Ltd.
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrodes for aluminum reduction cells
- Patent number 4,173,518
- Issue date Nov 6, 1979
- Sumitomo Aluminum Smelting Company, Limited
- Koichi Yamada
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for extracting alumina from alumina-containing ores
- Patent number 4,128,618
- Issue date Dec 5, 1978
- Sumitomo Aluminium Smelting Company, Ltd.
- Koichi Yamada
- C01 - INORGANIC CHEMISTRY

Koichi Yamada

Person

Patents Grantslast 30 patents

Sintered silicon carbide articles

Fibrous white electrically conductive material and a white electric...

Method for producing high-density sintered silicon carbide articles

Method for producing sintered silicon carbide product

Method for manufacturing high-strength sintered silicon carbide art...

Process for the production of low density activated alumina formed...

Process for extracting alumina from aluminous ores

Process for producing metallic gallium

Process for producing coarse grains of aluminum hydroxide

Sintering method of zirconia

Process for producing coarse grains of aluminum hydroxide

Method for the removal of impurities from sodium aluminate solution

Hollow catalyst carrier and hollow catalyst made of transition-alum...

Process for the removal of sulfur oxides from exhaust gases using s...

Method for the removal of organic substances from alkali metal alum...

Process for producing alumina sols

Method for the separation of precipitated aluminum hydroxide from s...

Electrodes for aluminum reduction cells

Process for extracting alumina from alumina-containing ores