Patents by Inventor Markku Gunnar Kankaanpaa

Markku Gunnar Kankaanpaa 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 for forming an RF shielded enclosure
    Patent number: 5687470
    Abstract: A method of providing a cover on a substrate to shield against radio frequency radiation, wherein an electrically conductive material--such as a conductive, possibly adhesive, paste--which shields against RF radiation is applied in a fluid state to the desired area of the substrate. The substrate may be a printed circuit board (1) or a base member of an RF housing.
    Type: Grant
    Filed: November 5, 1992
    Date of Patent: November 18, 1997
    Assignee: Nokia Mobile Phones Limited
    Inventors: Mikko Veijo Tapani Halttunen, Markku Gunnar Kankaanpaa