Patents by Inventor Kazuhiko Kiyama

Kazuhiko Kiyama 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).

  • Patent number: 4759388
    Abstract: A hose for transport of fluid such as oil for a cooling system of an engine oil cooler, a torque converter oil cooler, etc. and oil for an oil lubrication system of a vacuum pump that are used in automobiles, aircraft, etc., and the hose comprises an inner tube of acrylic rubber; a reinforcement ply including lower yarns spirally wound on the outside surface of aforesaid inner tube such that the size of mesh will be 0.5 mm or more, and upper yarns spirally wound on said lower yarns and an outer tube of acrylic rubber laminated over the outside surface of aforesaid inner tube through said reinforcement ply, aforesaid inner tube and aforesaid outer tube being directly bonded by vulcanization through the meshes of said reinforcement ply.
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: July 26, 1988
    Assignee: Toyoda Gosei Co., Ltd.
    Inventors: Kazuhiko Kiyama, Koichi Takano