Patents by Inventor Naoto Matsunaka

Naoto Matsunaka 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).

  • Microwave antenna with radiation scattering support member elements
    Patent number: 4369448
    Abstract: An antenna, such as Cassegrain or parabolic antenna, intended for use in the microwave or millimeter wavebands having improved wide angle radiation characteristics. At least one edge portion, in first embodiments, of a supporting post structure which supports a primary radiator or subreflector is modified to randomly scatter waves so that the field strength of scattered waves due to the presence of the supporting post is decreased.
    Type: Grant
    Filed: June 2, 1981
    Date of Patent: January 18, 1983
    Assignees: Kokusai Denshin Denwa Co., Ltd., Mitsubishi Denki Kabushiki Kaisha
    Inventors: Hideo Satoh, Naoto Matsunaka