TREA

Hirotsugu Hasegawa

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  • Kobe-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Pneumatic tire with tread tape radially inside carcass and method o...
    • Patent number 7,677,284
    • Issue date Mar 16, 2010
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Hirotsugu Hasegawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic tire
    • Patent number 5,766,383
    • Issue date Jun 16, 1998
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic tire with carcass structure for increased sidewall rigidity
    • Patent number 5,479,977
    • Issue date Jan 2, 1996
    • Sumitomo Rubber Industries, Ltd.
    • Akiyoshi Tamano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic radial tire with four main grooves
    • Patent number 5,435,364
    • Issue date Jul 25, 1995
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Automobile tire
    • Patent number D332073
    • Issue date Dec 29, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D330882
    • Issue date Nov 10, 1992
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D320772
    • Issue date Oct 15, 1991
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D310803
    • Issue date Sep 25, 1990
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D288078
    • Issue date Feb 3, 1987
    • Sumitomo Rubber Industries, Ltd.
    • Hirotsugu Hasegawa
    • D12 - Transportation

Patents Applicationslast 30 patents