TREA

Tatsumi Hamanaka

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  • Kitakyushu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic faucet
    • Patent number 5,918,855
    • Issue date Jul 6, 1999
    • Toto Ltd.
    • Tatsumi Hamanaka
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Automatic faucet
    • Patent number 5,758,688
    • Issue date Jun 2, 1998
    • Toto Ltd.
    • Tatsumi Hamanaka
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Lavatory hopper flushing apparatus
    • Patent number 4,667,350
    • Issue date May 26, 1987
    • Toto Ltd.
    • Takao Ikenaga
    • E03 - WATER SUPPLY SEWERAGE