Tsuyoshi Nakayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Filtration unit
- Patent number 8,142,655
- Issue date Mar 27, 2012
- Tsukishima Kikai Co., Ltd.
- Tsuyoshi Nakayama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Filtration unit, installation method for a filtration unit and filt...
- Patent number 7,449,117
- Issue date Nov 11, 2008
- Tsukishima Kikai Co., Ltd.
- Tsuyoshi Nakayama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Filtration unit, installation method for a filtration unit and filt...
- Publication number 20050072724
- Publication date Apr 7, 2005
- Tsukishima Kikai Co., Ltd.
- Tsuyoshi Nakayama
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL