Minoru Okamoto

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Toyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Activated sludge material, method for reducing excess sludge produc...
- Patent number 8,603,339
- Issue date Dec 10, 2013
- Diamond Engineering Co., Ltd.
- Katsuhiko Maeda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
ACTIVATED SLUDGE MATERIAL, METHOD FOR REDUCING EXCESS SLUDGE PRODUC...
- Publication number 20100206808
- Publication date Aug 19, 2010
- DIAMOND ENGINEERING CO., LTD.
- Katsuhiko Maeda
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE