Kei Baba

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for treating waste water
- Patent number 6,497,819
- Issue date Dec 24, 2002
- NKK Corporation
- Kei Baba
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for wastewater treatment
- Patent number 6,387,254
- Issue date May 14, 2002
- NKK Corporation
- Tatsuo Takechi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for wastewater treatment
- Publication number 20020104798
- Publication date Aug 8, 2002
- NKK Corporation
- Tatsuo Takechi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE