Patents by Inventor Frank D. Hironaka

Frank D. Hironaka 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).

  • Sunshield film transparent to radio frequency energy and shielded articles
    Patent number: 5916668
    Abstract: A structure protected by a sunshield film includes an article, for example a spacecraft radio-frequency antenna, and a sunshield film protecting the article surface. The sunshield film is formed as a sheet substrate made of a material that is transparent to radio frequency energy, a white coating on one side of the sheet substrate, and a black coating on the other side of the sheet substrate. The white coating and the black coating each have a surface resistivity of from about 10.sup.8 to about 10.sup.9 ohms per square.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: June 29, 1999
    Assignee: Hughes Electronics Corporation
    Inventors: Lynn E. Long, Frank D. Hironaka