Patents by Inventor Katuyoshi Fujiwara

Katuyoshi Fujiwara 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).

  • Power transmission belt and process for production of the same
    Patent number: 6641905
    Abstract: There is provided a power transmission belt which comprises a compression layer and an adhesive rubber layer which are adhered to each other by vulcanizing together and which has polyester fiber cords embedded in the adhesive rubber layer, wherein the compression layer and the adhesive rubber layer are formed of vulcanizate of an ethylene-&agr;-olefin-diene rubber compound and wherein the polyester fiber cords are adhesion treated with a resorcin-formalin-rubber latex adhesive composition wherein the rubber latex comprises at least one of chlorosulfonated polyethylene and alkylated chlorosulfonated polyethylene in an amount of 50-100% by weight based on the solid components of the rubber latex and adhered to and embedded in the adhesive rubber layer. A process for the production of such power transmission belt is also provided.
    Type: Grant
    Filed: February 16, 2001
    Date of Patent: November 4, 2003
    Assignee: Bando Chemical Industries, Ltd.
    Inventors: Hiroshi Fujimoto, Katuyoshi Fujiwara