Patents by Inventor Mika Valkama

Mika Valkama 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).

  • Cabinet for a frequency converter
    Patent number: D573090
    Type: Grant
    Filed: January 2, 2008
    Date of Patent: July 15, 2008
    Assignee: ABB Oy
    Inventors: Jari Savolainen, Mika Valkama, Teemu Koivuniemi