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Ikumi Ohta

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  • Mie-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drain plug structure for bath tub
    • Patent number 6,904,623
    • Issue date Jun 14, 2005
    • Ikumi Ohta
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Drain plug device
    • Patent number 6,347,417
    • Issue date Feb 19, 2002
    • Ikumi Ohta
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Drainage plug
    • Patent number 4,860,390
    • Issue date Aug 29, 1989
    • Ikumi Ohta
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Draining plug device
    • Patent number 4,596,057
    • Issue date Jun 24, 1986
    • Ikumi Ohta
    • E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents