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Yoshiyasu Kuroo
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Koganei, JP
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last 30 patents
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Patent Grant
Silicon carbide-carbon composite molded product and process for man...
Patent number
4,696,827
Issue date
Sep 29, 1987
Sony Corporation
Kiyohito Okamura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Patent Grant
Silicon carbide-carbon composite molded product and process for man...
Patent number
4,618,591
Issue date
Oct 21, 1986
Sony Corporation
Kiyohito Okamura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES