Patents by Inventor Johannes H. W. G. Den Boer

Johannes H. W. G. Den Boer 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).

  • Method of manufacturing a conductive layer on a substrate
    Patent number: 5993894
    Abstract: A conductive layer comprising metal-oxide or metal-oxides is applied to a substrate byproviding a layer comprising a metal-salt or a mixture of metal-salts on the substrate,bringing the layer into contact with an alkaline solution, and, subsequently,subjecting the layer to a thermal treatment (heating).
    Type: Grant
    Filed: April 24, 1998
    Date of Patent: November 30, 1999
    Assignee: U.S. Philips Corporation
    Inventors: Johannes H. W. G. Den Boer, Claudia Mutter, Sipke Wadman, Henricus X. Willems