Patents by Inventor Kazuo Haruta

Kazuo Haruta 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).

  • Thermoplastic resin composition
    Patent number: 7354968
    Abstract: The present invention provides a thermoplastic resin composition having a high specific gravity, flexibility and excellent processability that can be used as a material for forming various articles requiring both massiveness and flexibility. This thermoplastic resin composition contains 2.5 to 15 wt % of a styrene-based thermoplastic elastomer and 85 to 97.5 wt % of tungsten powder, and an molded article is obtained by melting and kneading this thermoplastic resin composition. This article can be used preferably as a balance weight attached to a wheel of an automobile, sports goods or the like.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: April 8, 2008
    Assignee: Sumitomo Rubber Industries, Ltd.
    Inventors: Tetsuo Nishikawa, Kazuo Haruta, Toshiaki Sakaki, Tetsuo Mizoguchi
  • Radiation shielding material
    Publication number: 20040029998
    Abstract: It is an object of the invention to overcome the problems of the related art and provide a radiation shielding material with no use of lead, which can readily be cut with scissors and the like and can be recycled by again melt molding cut pieces generated from melt molding and cutting with scissors.
    Type: Application
    Filed: May 19, 2003
    Publication date: February 12, 2004
    Inventors: Hitoshi Tomita, Tetsuo Nishikawa, Kazuo Haruta
  • Thermoplastic resin composition
    Publication number: 20030069344
    Abstract: The present invention provides a thermoplastic resin composition having a high specific gravity, flexibility and excellent processability that can be used as a material for forming various articles requiring both massiveness and flexibility. This thermoplastic resin composition contains 2.5 to 15 wt % of a styrene-based thermoplastic elastomer and 85 to 97.5 wt % of tungsten powder, and an molded article is obtained by melting and kneading this thermoplastic resin composition. This article can be used preferably as a balance weight attached to a wheel of an automobile, sports goods or the like.
    Type: Application
    Filed: October 9, 2001
    Publication date: April 10, 2003
    Inventors: Tetsuo Nishikawa, Kazuo Haruta, Toshiaki Sakaki, Tetsuo Mizoguchi