TREA

Tomoyoshi Yamaguchi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pad cover
    • Patent number 4,969,223
    • Issue date Nov 13, 1990
    • Japan Life Co., Ltd.
    • Tomoyoshi Yamaguchi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Sleeping mattress
    • Patent number 4,924,542
    • Issue date May 15, 1990
    • Japan Life Company, Ltd.
    • Tomoyoshi Yamaguchi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Method for fixing permanent magnets to cover of bedclothing
    • Patent number 4,921,560
    • Issue date May 1, 1990
    • J. L. S. Corp.
    • Tomoyoshi Yamaguchi
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL