TREA

Isao Osada

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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety wheels
    • Patent number 4,372,365
    • Issue date Feb 8, 1983
    • Ohtsu Tire and Rubber Co. Ltd.
    • Isao Osada
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Run-flat support and tire assembly
    • Patent number 4,346,747
    • Issue date Aug 31, 1982
    • Ohtsu Tire & Rubber Co., Ltd
    • Isao Osada
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety wheel employing a plurality of protector elements interconne...
    • Patent number 4,216,810
    • Issue date Aug 12, 1980
    • Ohtsu Tire & Rubber Co., Ltd.
    • Isao Osada
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety wheel
    • Patent number 4,177,849
    • Issue date Dec 11, 1979
    • Ohtsu Tire & Rubber Co., Ltd.
    • Isao Osada
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Safety wheel
    • Patent number 4,159,730
    • Issue date Jul 3, 1979
    • Ohtsu Tire & Rubber Co., Ltd.
    • Isao Osada
    • B60 - VEHICLES IN GENERAL