Shigenori Sato

Person

  • Ibaraki, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum cleaner

    • Patent number 6,442,792
    • Issue date Sep 3, 2002
    • Hitachi, Ltd.
    • Takayuki Sudou
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner

    • Patent number 5,365,633
    • Issue date Nov 22, 1994
    • Hitachi, Ltd.
    • Masao Sunagawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric blower having improved return passage for discharged air flow

    • Patent number 5,110,266
    • Issue date May 5, 1992
    • Hitachi, Ltd.
    • Hisanori Toyoshima
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Acoustical absorbing material

    • Patent number 4,559,255
    • Issue date Dec 17, 1985
    • Hitachi, Ltd.
    • Shinichi Shimode
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS