Yoshihiko MOROKUMA

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Fukuoka, JP

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Patents Grantslast 30 patents

Information 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 Applicationslast 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