Toru Ogawa

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing aluminum hydroxide from alumina-containing ore
- Patent number 6,299,846
- Issue date Oct 9, 2001
- Sumitomo Chemical Company, Limited
- Takuo Harato
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of alumina
- Patent number 5,302,368
- Issue date Apr 12, 1994
- Sumitomo Chemical Company, Limited
- Takuo Harato
- C01 - INORGANIC CHEMISTRY