Susumu Satoh

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Takahagi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Suction nozzle with rotary brush for vacuum cleaner
- Patent number 5,101,534
- Issue date Apr 7, 1992
- Hitachi, Ltd.
- Syuji Watanabe
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Suction nozzle with rotary brush for vacuum cleaner
- Patent number 5,054,156
- Issue date Oct 8, 1991
- Hitachi, Ltd.
- Syuji Watanabe
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Upright-type electric vacuum cleaner
- Patent number 5,003,663
- Issue date Apr 2, 1991
- Hitachi, Ltd.
- Masao Sunagawa
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Upright-type electric vacuum cleaner
- Patent number 4,905,341
- Issue date Mar 6, 1990
- Hitachi, Ltd.
- Masao Sunagawa
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Upright-type electric vacuum cleaner
- Patent number 4,893,376
- Issue date Jan 16, 1990
- Hitachi, Ltd.
- Masao Sunagawa
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...