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Tomohisa Imai
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Saitama, JP
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last 30 patents
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Patent Grant
Floor detector for vacuum cleaners
Patent number
4,977,639
Issue date
Dec 18, 1990
Mitsubishi Denki Kabushiki Kaisha
Yutaka Takahashi
A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...