TREA

Tsutomu Amaki

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toilet covering hinge assembly
    • Patent number 5,142,740
    • Issue date Sep 1, 1992
    • Matsushita Electric Works, Ltd.
    • Tsutomu Amaki
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Bubbling bathtub system
    • Patent number 4,907,305
    • Issue date Mar 13, 1990
    • Matsushita Electric Works, Ltd.
    • Keiichi Teramachi
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE