Hiroshi Hayakawa

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Patents Grantslast 30 patents

Information Patent Grant
Vacuum cleaner
- Patent number 6,684,451
- Issue date Feb 3, 2004
- Matsushita Electric Industrial Co., Ltd.
- Tomonori Kato
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner
- Patent number 6,345,411
- Issue date Feb 12, 2002
- Matsushita Electric Industrial Co., Ltd.
- Tomonori Kato
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner floor nozzle having an auxiliary agitator
- Patent number 5,249,331
- Issue date Oct 5, 1993
- Matsushita Elecric Industrial Co., Ltd.
- Tomomi Mitani
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Vacuum cleaner
- Patent number 5,144,714
- Issue date Sep 8, 1992
- Matsushita Electric Industrial Co., Ltd.
- Hiroshi Mori
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Vacuum cleaner
- Publication number 20040088820
- Publication date May 13, 2004
- Tomonori Kato
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Vacuum cleaner
- Publication number 20020059689
- Publication date May 23, 2002
- Tomonori Kato
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...