Patents by Inventor Akira TAMADA

Akira TAMADA 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).

  • Strip-shaped steel cord
    Patent number: 9862234
    Abstract: A steel cord is obtained by bundling five steel core wires, which are arrayed in parallel with one another in a plane, into a unitary body by means of an adhesive having a thickness Ad of less than 15 ?m. Each of the core wires-constituting the steel cord has a diameter d of less than 0.45 mm, and spacing Gd between the core wires is less than 20 ?m. The core wires used have a free coil diameter D that is greater than wire diameter d thereof by 750 times or more.
    Type: Grant
    Filed: June 23, 2014
    Date of Patent: January 9, 2018
    Assignees: TOKYO ROPE MANUFACTURING CO., LTD., NIPPON STEEL & SUMITOMO METAL CORPORATION
    Inventors: Akira Tamada, Yuuki Murakami, Shouichi Ohashi, Satoshi Sugimaru
  • STRIP-SHAPED STEEL CORD
    Publication number: 20160193878
    Abstract: A steel cord is obtained by bundling five steel core wires, which are arrayed in parallel with one another in a plane, into a unitary body by means of an adhesive having a thickness Ad of less than 15 ?m. Each of the core wires-constituting the steel cord has a diameter d of less than 0.45 mm, and spacing Gd between the core wires is less than 20 ?m. The core wires used have a free coil diameter D that is greater than wire diameter d thereof by 750 times or more.
    Type: Application
    Filed: June 23, 2014
    Publication date: July 7, 2016
    Inventors: Akira TAMADA, Yuuki MURAKAMI, Shouichi OHASHI, Satoshi SUGIMARU