Yasuo Kawai

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Separation method of goethite-containing red mud
- Patent number 6,669,852
- Issue date Dec 30, 2003
- Showa Denko Kabushiki Kaisha
- Isao Ishikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for treating bauxite in which a desilication product and an...
- Patent number 6,528,028
- Issue date Mar 4, 2003
- Showa Denko K.K.
- Yoshiyuki Takenaka
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Aluminum hydroxide, process for preparation thereof and composition
- Patent number 5,130,113
- Issue date Jul 14, 1992
- Showa Denko K.K.
- Mikito Kitayama
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
Separation method of goethite-containing red mud
- Publication number 20020096476
- Publication date Jul 25, 2002
- SHOWA DENKO KABUSHIKI KAISHA
- Isao Ishikawa
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for treating bauxiter
- Publication number 20010028870
- Publication date Oct 11, 2001
- Yoshiyuki Takenaka
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for treating sodium aluminosilicate
- Publication number 20010005497
- Publication date Jun 28, 2001
- Yasuo Kawai
- C01 - INORGANIC CHEMISTRY