Hitomi Yamai

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drain duct air suction device for flush toilet
- Patent number 9,009,877
- Issue date Apr 21, 2015
- LIXIL Corporation
- Koji Miwa
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

Information Patent Application
TOILET FLUSHING DEVICE AND FLUSH TOILET
- Publication number 20130291297
- Publication date Nov 7, 2013
- Lixil Corporation
- Satoshi Kitamura
- E03 - WATER SUPPLY SEWERAGE
Information Patent Application
FLUSH TANK DEVICE AND FLUSH TOILET
- Publication number 20120210506
- Publication date Aug 23, 2012
- Lixil Corporation
- Koji Miwa
- E03 - WATER SUPPLY SEWERAGE