Patents by Inventor Jin Shimada

Jin Shimada 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: 5087242
    Abstract: A hydratable iontophoretic bioelectrode includes a layer of material for absorbing and holding an ionized fluid when placed in contact with the fluid. A conductive sheet of material is positioned in contact with one side of the layer of material and is connectable to an electrical charged source to receive a charge of the same polarity as the polarity of ions in the fluid. A support base holds the layer of material and conductive sheets in place to enable placement of the layer of material against the skin or tissue of a person into which ions from the ionized fluid are to be delivered. This is carried out by applying the charge in question to the conductive sheet to cause the ions in the layer of material to migrate therefrom into the person's skin or tissue.
    Type: Grant
    Filed: July 21, 1989
    Date of Patent: February 11, 1992
    Assignee: Iomed, Inc.
    Inventors: Tomasz J. Petelenz, Stephen C. Jacobsen, Robert L. Stephen, Jon Beck, Jin Shimada
  • Patent number: 5042144
    Abstract: A method of forming a conductive lamina for use with and to form a bio-medical electrode device comprising the steps of providing a non-conductive base structure, providing a mixture of an electrically conductive substance and a media component, depositing the mixture onto the base structure, and curing the mixture. The method further comprises the step of mixing the electrical conductant and the media component in a closed cell, positive pressure kinetic mixer. The method further comprises the steps of combining a urethane base and a polyhydric alcohol to form the media component and delaying the mixing of the media component and the electrical conductant for a predetermined time period. In another embodiment, the method comprises the steps of combining a photo-initiator, a cross-linking agent, and low pH acrylic monomers to form a precomponent, and mixing the precomponent with the glycol to form the media component.
    Type: Grant
    Filed: September 22, 1989
    Date of Patent: August 27, 1991
    Assignee: Health Concepts, Inc.
    Inventors: Jin Shimada, Douglas W. Fletcher