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Silicon nitride circuit board
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Patent number 6,040,039
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Issue date Mar 21, 2000
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Kabushiki Kaisha Toshiba
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Kazuo Ikeda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Silicon nitride circuit board
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Patent number 5,998,000
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Issue date Dec 7, 1999
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Kabushiki Kaisha Toshiba
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Kazuo Ikeda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Silicon nitride circuit board
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Patent number 5,928,768
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Issue date Jul 27, 1999
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Kabushiki Kaisha Toshiba
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Kazuo Ikeda
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Wear-resistant member
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Patent number 5,178,647
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Issue date Jan 12, 1993
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Kabushiki Kaisha Toshiba
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Michiyasu Komatsu
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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