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Toshihiko Ishii
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Sakura, JP
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last 30 patents
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Patent Grant
Production of boron nitride
Patent number
4,913,887
Issue date
Apr 3, 1990
National Institute for Researches in Inorganic Materials
Tadao Sato
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing rhombohedral system boron nitride using NaBH....
Patent number
4,714,599
Issue date
Dec 22, 1987
National Institute for Researches in Inorganic Materials
Tadao Sato
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for producing cubic system boron nitride
Patent number
4,443,420
Issue date
Apr 17, 1984
National Institute for Researches in Inorganic Materials
Tadao Sato
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for producing rhombohedral system boron nitride
Patent number
4,419,335
Issue date
Dec 6, 1983
National Institute for Researches in Inorganic Materials
Toshihiko Ishii
C01 - INORGANIC CHEMISTRY