TREA

Kenichi Shirai

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Automobile tire
    • Patent number RE37306
    • Issue date Aug 7, 2001
    • Yokohama Rubber Co., Ltd.
    • Kenichi Shirai
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D407676
    • Issue date Apr 6, 1999
    • The Yokohama Rubber Co., Ltd.
    • Hisaya Morishita
    • D12 - Transportation
  • Information Patent Grant

    Pneumatic radial tire including main grooves and sub-grooves
    • Patent number 5,804,000
    • Issue date Sep 8, 1998
    • The Yokohama Rubber Co., Ltd.
    • Kenichi Shirai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pneumatic tire having V-shaped subgrooves
    • Patent number 5,759,313
    • Issue date Jun 2, 1998
    • The Yokohama Rubber Co., Ltd.
    • Kenichi Shirai
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Automobile tire
    • Patent number D392229
    • Issue date Mar 17, 1998
    • The Yokohama Rubber Co. Ltd.
    • Kenichi Shirai
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D387711
    • Issue date Dec 16, 1997
    • The Yokohama Rubber Co., Ltd.
    • Kenichi Shirai
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D377159
    • Issue date Jan 7, 1997
    • The Yokohama Rubber Co., Ltd.
    • Kenichi Shirai
    • D12 - Transportation
  • Information Patent Grant

    Automobile tire
    • Patent number D368057
    • Issue date Mar 19, 1996
    • The Yokohama Rubber Co., Ltd.
    • Kenichi Shirai
    • D12 - Transportation
  • Information Patent Grant

    Pneumatic tire tread with symmetrical grooves having a bent shoulde...
    • Patent number 4,986,324
    • Issue date Jan 22, 1991
    • The Yokohama Rubber Co., Ltd.
    • Toshihiko Suzuki
    • B60 - VEHICLES IN GENERAL