Patents by Inventor Mika Toivonen

Mika Toivonen 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).

  • Patent number: 5914491
    Abstract: The object of the invention is a photon or particle detector which comprises a transmission dynode situated in a vacuum. The detector comprises a monolithically fabricated semiconductor structure in which electrons are arranged so as to travel from the semiconductor into a vacuum. At least a part of the multiplication region is formed into a layered structure incorporating at least one doped semiconductor transmission dynode and at least one vacuum space.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: June 22, 1999
    Inventors: Arto Salokatve, Mika Toivonen, Marko Jalonen, Hannu Kojola, Markus Pessa