Patents by Inventor Katsutoshi Saita

Katsutoshi Saita 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 reinforcement of rubber products
    Patent number: 5502960
    Abstract: A steel cord for reinforcing automobile tires is composed by intertwisting at least one material wire having small spiral-like curls and 1 to 5 straight material wires. This restricts the ratio of fracture elongation of the two kinds of material wires as well as the elongation percent of the cord at 5 kg loading and improves the stability of twist, the fatigue resistance, the penetrability of a rubber compound and the handling workability.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: April 2, 1996
    Assignee: Tokusen Kogyo Company Limited
    Inventors: Yoshiro Kobayashi, Katsutoshi Saita, Yoshinobu Takegawa, Koichi Hinoura