Patents by Inventor John Alfred Trezza

John Alfred Trezza 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: 8860083
    Abstract: A low noise infrared photodetector has an epitaxial heterostructure that includes a photodiode and a transistor. The photodiode includes a high sensitivity narrow bandgap photodetector layer of first conductivity type, and a collection well of second conductivity type in contact with the photodetector layer. The transistor includes the collection well, a transfer well of second conductivity type that is spaced from the collection well and the photodetector layer, and a region of first conductivity type between the collection and transfer wells.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: October 14, 2014
    Assignee: Sensors Unlimited, Inc.
    Inventor: John Alfred Trezza