Keiichi Kawamura

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hose coupling device, mop suction device, electric vacuum cleaner,...
- Patent number 9,863,545
- Issue date Jan 9, 2018
- Keiichi Kawamura
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Mop dust suction device
- Patent number 8,689,392
- Issue date Apr 8, 2014
- Keiichi Kawamura
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
MOP DUST SUCTION DEVICE
- Publication number 20130036572
- Publication date Feb 14, 2013
- Keiichi Kawamura
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...