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Norihiro Murakawa
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Shimonoseki, JP
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last 30 patents
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Patent Grant
Method of removing binder from powder molded products
Patent number
4,923,652
Issue date
May 8, 1990
Mitsui Toatsu Chemicals, Inc.
Norihiro Murakawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for preparing metal carbides and precursors thereof
Patent number
4,752,456
Issue date
Jun 21, 1988
Mitsui Toatsu Chemicals, Inc.
Yukihiro Yoda
C01 - INORGANIC CHEMISTRY
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Patent Grant
Process for producing sialon
Patent number
4,731,236
Issue date
Mar 15, 1988
Mitsui Toatsu Chemicals, Inc.
Norihiro Murakawa
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES