Patents by Inventor Tsutomu Mitusi

Tsutomu Mitusi 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).

  • ANTENNA APPARATUS AND WIRELESS COMMUNICATION APPARATUS USING THE SAME
    Publication number: 20130050037
    Abstract: A small-sized antenna apparatus capable of two-dimensionally controlling directivity, and a wireless communication apparatus mounted with the same. The antennal apparatus includes a substantially rectangular patch antenna, a plurality of parasitic devices disposed around each side of the patch antenna, and a converting unit configured to switch an electrical length of each of the plurality of parasitic devices. The converting unit controls the electric length to be switched so that the parasitic devices serve as reflectors.
    Type: Application
    Filed: August 28, 2012
    Publication date: February 28, 2013
    Inventors: Nobuyasu TAKEMURA, Tsutomu Mitusi, Hitoyuki Arai