Toshihiko Inoue

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Shunan, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of treating fumed silica-containing drainage water
- Patent number 7,988,866
- Issue date Aug 2, 2011
- Tokuyama Corporation
- Shinji Tokunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of treating silicon powder-containing drainage water
- Patent number 7,988,867
- Issue date Aug 2, 2011
- Tokuyama Corporation
- Shinji Tokunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method of treating silicon powder-containing drainage water
- Publication number 20090242491
- Publication date Oct 1, 2009
- Shinji Tokunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method of Treating Fumed Silica-Containing Drainage Water
- Publication number 20080264871
- Publication date Oct 30, 2008
- Tokuyana Corporation
- Shinji Tokunaga
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE