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Koji Sakemi
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Kitakyushu-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Drain valve device for cleaning water tank, and drain valve for dra...
Patent number
8,510,876
Issue date
Aug 20, 2013
Toto Ltd.
Koji Sakemi
E03 - WATER SUPPLY SEWERAGE
Patents Applications
last 30 patents
Information
Patent Application
DRAIN VALVE DEVICE FOR CLEANING WATER TANK, AND DRAIN VALVE FOR DRA...
Publication number
20100077545
Publication date
Apr 1, 2010
TOTO LTD.
Koji SAKEMI
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Toilet bowl flushing water tank device
Publication number
20080235860
Publication date
Oct 2, 2008
TOTO LTD.
Koji Sakemi
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Drainage device for siphon action toilet
Publication number
20030213055
Publication date
Nov 20, 2003
TOTO LTD.
Toshifumi Yoneda
E03 - WATER SUPPLY SEWERAGE
Information
Patent Application
Siphon action toilet
Publication number
20030204902
Publication date
Nov 6, 2003
Toshifumi Yoneda
E03 - WATER SUPPLY SEWERAGE