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Toshimori Sekine
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Tsukuba-shi, JP
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last 30 patents
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Patent Grant
High-pressure phase silicon nitride having a cubic spinel structure...
Patent number
7,438,883
Issue date
Oct 21, 2008
NOF Corporation
Kenji Ito
C01 - INORGANIC CHEMISTRY
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last 30 patents
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Patent Application
High-pressure phase silicon nitride having a cubic spinel structure...
Publication number
20050013760
Publication date
Jan 20, 2005
Kenji Ito
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES