TREA

Kenji Hatakenaka

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Studless tire having lateral grooves
    • Patent number 6,079,464
    • Issue date Jun 27, 2000
    • Sumitomo Rubber Industries, Ltd.
    • Kenji Hatakenaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Studless tire
    • Patent number 5,605,588
    • Issue date Feb 25, 1997
    • Sumitomo Rubber Industries, Ltd.
    • Kenji Hatakenaka
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Studless tire
    • Patent number 5,571,351
    • Issue date Nov 5, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Kenji Hatakenaka
    • B60 - VEHICLES IN GENERAL