Patents by Inventor Katsuya Tanioka

Katsuya Tanioka 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 communication system
    Patent number: 6608594
    Abstract: An antenna apparatus having at least one radiating element. A second radiating element is located opposite a first radiating element. Earth is on the side opposite to the first radiating element with respect to the second radiating element thus opposite to the second radiating element. The second radiating element intervenes between the first radiating element and earth. Either the first or the second radiating element employs a feed terminal.
    Type: Grant
    Filed: October 5, 2000
    Date of Patent: August 19, 2003
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Joji Kane, Hirotaka Ishihara, Noboru Nomura, Shinji Naka, Michio Sasaki, Akinori Yanase, Satoshi Yamada, Hirokazu Kaidou, Katsuya Tanioka