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Tadashi Iwai
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Ube, JP
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last 30 patents
Information
Patent Grant
Process for producing metallic nitride powder
Patent number
RE31788
Issue date
Jan 1, 1985
Ube Industries, Inc.
Tadashi Iwai
423 - Chemistry of inorganic compounds
Information
Patent Grant
Production process of silicon tetrachloride
Patent number
4,490,344
Issue date
Dec 25, 1984
Ube Industries, Ltd.
Tadashi Iwai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing silicon nitride powder
Patent number
4,405,589
Issue date
Sep 20, 1983
UBE Industries, Ltd.
Tadashi Iwai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Method of preparing polycarbosilanes
Patent number
4,377,677
Issue date
Mar 22, 1983
UBE Industries, Ltd.
Tadashi Iwai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing metallic carbonitride
Patent number
4,333,915
Issue date
Jun 8, 1982
Ube Industries, Ltd.
Tadashi Iwai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing carbonitride of metal
Patent number
4,333,916
Issue date
Jun 8, 1982
Ube Industries, Ltd.
Tadashi Iwai
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing chloride of elements of Group III, IV or V of...
Patent number
4,327,062
Issue date
Apr 27, 1982
Ube Industries, Ltd.
Tadashi Iwai
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing metallic nitride powder
Patent number
4,196,178
Issue date
Apr 1, 1980
Ube Industries, Ltd.
Tadashi Iwai
B82 - NANO-TECHNOLOGY