Patents by Inventor David Todd Mathes

David Todd Mathes 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).

  • Electrical overstress event indicator on electronic circuitry
    Patent number: 8189636
    Abstract: Detecting electrical overstress events in electronic circuitry such as optical emitters. In one example embodiment, a laser includes an active area and a contact region in electrical communication with the active area. A portion of the contact region is configured to manifest a change in a visual attribute of the portion in response to exposure of the portion to an electrical overstress event.
    Type: Grant
    Filed: September 27, 2010
    Date of Patent: May 29, 2012
    Assignee: Finisar Corporation
    Inventor: David Todd Mathes
  • ELECTRICAL OVERSTRESS EVENT INDICATOR ON ELECTRONIC CIRCUITRY
    Publication number: 20110012739
    Abstract: Detecting electrical overstress events in electronic circuitry such as optical emitters. In one example embodiment, a laser includes an active area and a contact region in electrical communication with the active area. A portion of the contact region is configured to manifest a change in a visual attribute of the portion in response to exposure of the portion to an electrical overstress event.
    Type: Application
    Filed: September 27, 2010
    Publication date: January 20, 2011
    Applicant: Finisar Corporation
    Inventor: David Todd Mathes