TREA

Toshio Sugawara

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  • Higashiyamato, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heavy duty radial tires with metallic carcass ply
    • Patent number 4,966,216
    • Issue date Oct 30, 1990
    • Bridgestone Corporation
    • Kiyohito Kawasaki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rubber composition for tires
    • Patent number 4,820,751
    • Issue date Apr 11, 1989
    • Bridgestone Corporation
    • Michitaka Takeshita
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Steel cords
    • Patent number 4,781,016
    • Issue date Nov 1, 1988
    • Bridgestone Corporation
    • Michitaka Sato
    • D07 - ROPES CABLES OTHER THAN ELECTRIC