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Gas flow pass
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Patent number 5,979,507
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Issue date Nov 9, 1999
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NGK Insulators, Ltd.
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Masaru Kojima
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Ceramic honeycomb body
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Patent number 4,740,408
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Issue date Apr 26, 1988
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NGK Insulators, Ltd.
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Shigeru Mochida
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ceramic honeycomb structural bodies
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Patent number 4,448,828
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Issue date May 15, 1984
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NGK Insulators, Ltd.
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Shigeru Mochida
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ceramic honeycomb structural body
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Patent number 4,396,664
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Issue date Aug 2, 1983
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NGK Insulators, Ltd.
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Shigeru Mochida
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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