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Ceramic-metal composite bodies
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Patent number 4,908,256
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Issue date Mar 13, 1990
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NGK Insulators, Ltd.
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Isao Oda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Metal-ceramic composite bodies
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Patent number 4,897,311
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Issue date Jan 30, 1990
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NGK Insulators, Ltd.
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Isao Oda
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Metal-ceramic composite bodies
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Patent number 4,874,674
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Issue date Oct 17, 1989
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NGK Insulators, Ltd.
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Isao Oda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Slide assemblies
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Patent number 4,871,266
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Issue date Oct 3, 1989
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NGK Insulators, Ltd.
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Isao Oda
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Method of producing a ceramic rotor
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Patent number 4,866,829
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Issue date Sep 19, 1989
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NGK Insulators, Ltd.
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Isao Oda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Metal-ceramic combination
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Patent number 4,856,970
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Issue date Aug 15, 1989
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NGK Insulators, Ltd.
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Isao Oda
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Silicon nitride sintered bodies
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Patent number 4,843,040
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Issue date Jun 27, 1989
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NGK Insulators, Ltd.
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Isao Oda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ceramic-metal composite body
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Patent number 4,798,493
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Issue date Jan 17, 1989
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NGK Insulators, Ltd.
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Isao Oda
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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Ceramics sliding member
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Patent number 4,761,340
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Issue date Aug 2, 1988
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NGK Insulators, Ltd.
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Isao Oda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Ceramic valve seats
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Patent number 4,728,078
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Issue date Mar 1, 1988
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NGK Insulators, Ltd.
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Isao Oda
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F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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