TREA

Yoshio Kai

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  • Fukuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Water closet
    • Patent number 5,706,529
    • Issue date Jan 13, 1998
    • Toto Ltd.
    • Yoshio Kai
    • E03 - WATER SUPPLY SEWERAGE
  • Information Patent Grant

    Water closet
    • Patent number 5,170,515
    • Issue date Dec 15, 1992
    • Toto Ltd.
    • Yoshio Kai
    • E03 - WATER SUPPLY SEWERAGE