Patents by Inventor Wah O. Ho

Wah O. Ho 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: 7250095
    Abstract: A non-mediated enzyme electrode comprises a base substrate (2) on which is provided an electrically conductive base layer (8) comprising finely divided platinum group metal or oxide bonded together by a resin; a top layer on the base layer (8), the top layer comprising a buffer. A catalytically active quantity of an oxidoreductase enzyme is provided in at least one of the base layer and the top layer. The invention also provides a biosensor (20) which includes an enzyme electrode, and methods of manufacturing the enzyme electrode and biosensor.
    Type: Grant
    Filed: July 10, 2003
    Date of Patent: July 31, 2007
    Assignee: Hypoguard Limited
    Inventors: Murdo M. Black, Colin Butters, Wah O. Ho, John Rippeth
  • Publication number: 20040061841
    Abstract: A non-mediated enzyme electrode comprises a base substrate (2) on which is provided an electrically conductive base layer (8) comprising finely divided platinum group metal or oxide bonded together by a resin; a top layer on the base layer (8), the top layer comprising a buffer. A catalytically active quantity of an oxidoreductase enzyme is provided in at least one of the base layer and the top layer. The invention also provides a biosensor (20) which includes an enzyme electrode, and methods of manufacturing the enzyme electrode and biosensor.
    Type: Application
    Filed: July 10, 2003
    Publication date: April 1, 2004
    Inventors: Murdo M. Black, Colin Butters, Wah O. Ho, John Rippeth