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Tokyo, JP
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Patents Grants
last 30 patents
Information
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
Treatment system for ships' ballast water
Patent number
7,837,874
Issue date
Nov 23, 2010
The Japan Association of Marine Safety
Yasuwo Fukuyo
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Patents Applications
last 30 patents
Information
Patent Application
TREATMENT SYSTEM FOR SHIP'S BALLAST WATER
Publication number
20110139696
Publication date
Jun 16, 2011
The Japan Association of Marine Safety
Yasuwo Fukuyo
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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