Patents by Inventor Ziping Lai

Ziping Lai 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: 5766144
    Abstract: An electrode system for administration of a pharmaceutical by iontophoresis which is comprised of an electroconductive substrate and a functional polymer having ammonium hydroxide or a quaternary ammonium halogen salt, sulfonic group, carboxylic group, amine group.
    Type: Grant
    Filed: December 4, 1995
    Date of Patent: June 16, 1998
    Assignee: Kabushiki Kaisya Advance
    Inventors: Ziping Lai, Keiichiro Okabe