Tomohisa Imai

Person

  • Saitama, JP

Patents Grantslast 30 patents

  • Information 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...