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Koji Ishikawa
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Minato-ku, JP
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last 30 patents
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Patent Grant
Method for detoxifying HCD gas and apparatus therefor
Patent number
7,976,807
Issue date
Jul 12, 2011
Kanken Techno Co., Ltd.
Hiroshi Imamura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for purification of disilicon hexachloride and high purity d...
Patent number
7,740,822
Issue date
Jun 22, 2010
Toagosei Co., Ltd.
Koji Ishikawa
C01 - INORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
METHOD FOR DETOXIFYING HCD GAS AND APPARATUS THEREFOR
Publication number
20090104100
Publication date
Apr 23, 2009
Hiroshi Imamura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR PURIFICATION OF DISILICON HEXACHLORIDE AND HIGH PURITY D...
Publication number
20090053124
Publication date
Feb 26, 2009
TOAGOSEI CO., LTD.
Koji Ishikawa
C01 - INORGANIC CHEMISTRY