Patents by Inventor Jonathon N. Kuznia

Jonathon N. Kuznia 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: 5182670
    Abstract: The invention is a filter device of at least two layers, the first layer of Al.sub.x Ga.sub.(1-x) N and the second layer of Al.sub.y Ga.sub.(1-y) N wherein x and y may have any value from 0 to 1. The invention may be used as a fixed wavelength or tunable wavelength filter or in ultraviolet detectors and laser devices, among other systems. Applications for the invention include detection of UV radiation in environments having a high level of incident infrared and visible radiation, as well as applications requiring detection of UV emission when no other radiation is present.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: January 26, 1993
    Assignee: APA Optics, Inc.
    Inventors: Muhammad A. Khan, Jonathon N. Kuznia, James M. Van Hove