Ai Tanaka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electric vacuum cleaner provided with a dust separation section for...
- Patent number 7,496,988
- Issue date Mar 3, 2009
- Toshiba Tec Kabushiki Kaisha
- Ritsuo Takemoto
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner
- Patent number 7,198,656
- Issue date Apr 3, 2007
- Toshiba Tec Kabushiki Kaisha
- Ritsuo Takemoto
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Vacuum cleaner having a separator for separating dust by virtue of...
- Publication number 20070017190
- Publication date Jan 25, 2007
- Ritsuo Takemoto
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Electric vacuum cleaner
- Publication number 20070011996
- Publication date Jan 18, 2007
- Toshiba Tec Kabushiki Kaisha
- Yoshihiro Tsuchiya
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaner
- Publication number 20050166560
- Publication date Aug 4, 2005
- Ritsuo Takemoto
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Electric vacuum cleaner
- Publication number 20050150075
- Publication date Jul 14, 2005
- Toshiba Tec Kabushiki Kaisha
- Ritsuo Takemoto
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...