Patents by Inventor Esa-Sakari M{umlaut over (aa)}ttä

Esa-Sakari M{umlaut over (aa)}ttä 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 in the manufacture of a keyboard for an electronic device
    Patent number: 6483051
    Abstract: A method in the manufacture of a keyboard for an electronic device, the keyboard comprising a set of separate key caps fitted next to each other for transferring pressings, wherein each key cap is further attached to a common base. In the method, the key caps are separated from a solid piece by laser cutting, the piece being simultaneously attached to said base in such a way that the pieces to be separated from the piece, of which each represents one of said key caps, remain attached to said base even after the cutting.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: November 19, 2002
    Assignee: Nokia Mobile Phones Ltd.
    Inventors: Esa-Sakari M{umlaut over (aa)}ttä, Marko Eromäki, Timo Tarvainen