Patents by Inventor Yong Shick Han

Yong Shick Han has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Steel cord for radial tire
    Patent number: 6253536
    Abstract: A steel cord for radial tires having a “2+5” construction structured by twisting a core and a strand in such a fashion that they have the same twist pitch length and the same twist direction, so that the number of processing steps for the twisting process is reduced from two to one, thereby reducing the manufacturing costs while achieving an improvement in productivity.
    Type: Grant
    Filed: July 19, 1999
    Date of Patent: July 3, 2001
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Yong Shick Han
  • Rubber and tire-reinforcing steel cord exhibiting improved rubber penetration
    Patent number: 6189309
    Abstract: A steel cord having a three-layer twisted construction consisting of an innermost layer, an intermediate layer, an outermost layer, and a spiral warp and being capable of achieving an improvement in the adhesion force to rubber while reducing the number of processing steps used.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: February 20, 2001
    Assignee: Hankook Tire Co., Ltd.
    Inventor: Yong Shick Han