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Takuro Tabuchi
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Osaka, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for treating ship ballast water
Patent number
8,123,958
Issue date
Feb 28, 2012
Katayama Chemical, Inc.
Yasuo Fukuyo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for treating ship ballast water
Patent number
7,618,545
Issue date
Nov 17, 2009
Katayama Chemical, Inc.
Yoshiharu Wakao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
Information
Patent Application
Method for Treating Ship Ballast Water
Publication number
20090294382
Publication date
Dec 3, 2009
KATAYAMA CHEMICAL, INC.
Yasuo Fukuyo
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Method for treating ship ballast water
Publication number
20060289364
Publication date
Dec 28, 2006
Yoshiharu Wakao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE