Patents by Inventor Eiji Takemae

Eiji Takemae 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).

  • Composite hose construction
    Patent number: 4942905
    Abstract: A composite hose for heavy-duty purposes is disclosed which is essentially comprised of a flexible main hose of increased diameter and a subhose disposed longitudinally thereover. The subhose has a reinforcing layer oriented at a specified angle to thereby dilate widthwise upon application of pressure, allowing the main hose to readily bend in a predetermined direction.
    Type: Grant
    Filed: November 14, 1988
    Date of Patent: July 24, 1990
    Assignees: The Yokohama Rubber Co., Ltd., Chiyoda Kenki Co., Ltd.
    Inventors: Eiji Takemae, Masakazu Koizumi, Tadashi Ishibashi
  • Buoy having excellent resistance against external pressure
    Patent number: 4729746
    Abstract: Disclosed is a buoy which comprises a high density polyethylene foam as a buoyant member, and an outer skin covering the surface of the foam. The buoy has excellent resistance against external force and the loss of the buoyancy by the reduction of the volume is minimized.
    Type: Grant
    Filed: April 13, 1987
    Date of Patent: March 8, 1988
    Assignees: The Yokohama Rubber Co., Ltd., Japan Drilling Co., Ltd.
    Inventor: Eiji Takemae