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Norihiro Sato
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Yamaguchi, JP
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last 30 patents
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Patent Grant
Electrically conductive barium sulfate-containing composition and p...
Patent number
5,997,775
Issue date
Dec 7, 1999
Mitsui Kinzoku Mitsui Maining & Smelting Co. Ltd.
Takao Hayashi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrically conductive barium sulfate filler and method for prepar...
Patent number
5,919,518
Issue date
Jul 6, 1999
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electrically-conductive colorless transparent barium sulfate filler
Patent number
5,698,315
Issue date
Dec 16, 1997
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for preparing a fibrous electrically conductive filler
Patent number
5,612,087
Issue date
Mar 18, 1997
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Fibrous electrically conductive filler
Patent number
5,501,907
Issue date
Mar 26, 1996
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Ultraviolet screening composited oxide and process for producing th...
Patent number
5,424,055
Issue date
Jun 13, 1995
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for producing white electrically conductive zinc oxide
Patent number
5,312,614
Issue date
May 17, 1994
Metallgesellschaft Aktiengesellschaft
Takao Hayashi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Fibrous electrically-conductive filler and process for producing th...
Patent number
5,273,822
Issue date
Dec 28, 1993
Mitsui Mining & Smelting Co., Ltd.
Takao Hayashi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing conductive acicular zinc oxide
Patent number
5,171,364
Issue date
Dec 15, 1992
Mitsui Mining & Smelting Co. Ltd.
Norihiro Sato
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrically conductive zinc sulfide powder and process of producin...
Patent number
5,131,952
Issue date
Jul 21, 1992
Metallgesellschaft Aktiengesellschaft
Takao Hayashi
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method of preparing needle-like conductive zinc oxide
Patent number
5,102,650
Issue date
Apr 7, 1992
Metallgesellschaft Aktiengesellschaft
Takao Hayashi
C01 - INORGANIC CHEMISTRY