Patents by Inventor Rob Adrianus Maria Van Ham

Rob Adrianus Maria Van Ham 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).

  • Image forming device, having separately energizable, inter-connected electrodes and image recording element for use, therein
    Patent number: 5852455
    Abstract: An image-forming device with a repeatedly usable image-recording element bearing a dielectric surface layer, beneath which is a system of separately energizable image-forming electrodes interconnected by a material whose resistance is between that of the dielectric surface layer and that of the image-forming electrode and is preferably a factor of 10.sup.2 -10.sup.4 lower than that of the dielectric surface layer, the dielectric surface layer and the material having the lower resistance preferably being formed as one continuous layer which bottom part has a lower resistance than in the top part.
    Type: Grant
    Filed: October 7, 1997
    Date of Patent: December 22, 1998
    Assignee: OCE-Nederland, B.V.
    Inventors: Rob Adrianus Maria Van Ham, Paulus Henricus Eijmberts, Augustinus Mathias Wilhelmus Cox