TREA

Toshifumi Tsuchihashi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process for the manufacture of honeycomb core structures
    • Patent number 5,980,675
    • Issue date Nov 9, 1999
    • The Yokohama Rubber Co., Ltd.
    • Toshifumi Tsuchihashi
    • B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD
  • Information Patent Grant

    Vehicle steering wheel
    • Patent number 5,649,455
    • Issue date Jul 22, 1997
    • The Yokohama Rubber Co., Ltd.
    • Toshifumi Tsuchihashi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Honeycomb core panel structure
    • Patent number 5,326,615
    • Issue date Jul 5, 1994
    • The Yokohama Rubber Co., Ltd.
    • Toshifumi Tsuchihashi
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Honeycomb core
    • Patent number 5,250,362
    • Issue date Oct 5, 1993
    • The Yokohama Rubber Co., Ltd.
    • Takatsugu Hama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Apparatus for producing honeycomb panels
    • Patent number 4,927,358
    • Issue date May 22, 1990
    • The Yokohama Rubber Co., Ltd.
    • Mitsunobu Tamura
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL