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Sintered body of aluminum nitride
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Patent number 5,293,509
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Issue date Mar 8, 1994
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Sumitomo Electric Industries, Ltd.
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Akira Yamakawa
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Sintered body of aluminum nitride
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Patent number 5,264,388
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Issue date Nov 23, 1993
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Sumitomo Electric Industries, Inc.
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Akira Yamakawa
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Sintered body of aluminum nitride
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Patent number 5,219,803
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Issue date Jun 15, 1993
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Sumitomo Electric Industries, Ltd.
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Akira Yamakawa
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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