Patents by Inventor Kalervo Ylinen

Kalervo Ylinen 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).

  • Virtual private network (VPN)
    Patent number: D468303
    Type: Grant
    Filed: September 10, 2001
    Date of Patent: January 7, 2003
    Assignee: SSH Communications Security Corp.
    Inventors: Kalervo Ylinen, Petri Laitinen, Jorma Savolainen