TREA

Koichi Kojima

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  • Higashimurayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Radial tire having an improving durability
    • Patent number 4,749,016
    • Issue date Jun 7, 1988
    • Bridgestone Corporation
    • Koichi Kojima
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic radial tires
    • Patent number 4,718,470
    • Issue date Jan 12, 1988
    • Bridgestone Tire Company Limited
    • Noboru Kusakabe
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic tire
    • Patent number 4,518,023
    • Issue date May 21, 1985
    • Bridgestone Tire Company Limited
    • Yutaka Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic radial tires
    • Patent number 4,436,131
    • Issue date Mar 13, 1984
    • Bridgestone Tire Co., Ltd.
    • Yutaka Yamaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Metal cord-rubber composite materials
    • Patent number 4,399,853
    • Issue date Aug 23, 1983
    • Bridgestone Tire Co., Ltd.
    • Masaaki Morimoto
    • B60 - VEHICLES IN GENERAL