Patents by Inventor Hideaki Hatakeyama

Hideaki Hatakeyama 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).

  • Wireless communication terminal apparatus and method of controlling same
    Patent number: 8406686
    Abstract: A mobile communication terminal apparatus includes a non-contact communication section configured to perform non-contact communication with an external terminal apparatus. The non-contact communication section includes a main unit having a controller configured to control communication with the external terminal apparatus and a main antenna, and a sub-unit having a sub-antenna having a coil whose number of windings is smaller than the number of windings of a coil of the main antenna and an adjuster configured to adjust a resonance frequency.
    Type: Grant
    Filed: May 14, 2007
    Date of Patent: March 26, 2013
    Assignee: Sony Mobile Communications Japan, Inc.
    Inventors: Takaaki Tsushima, Hideaki Hatakeyama
  • WIRELESS COMMUNICATION TERMINAL APPARATUS AND METHOD OF CONTROLLING SAME
    Publication number: 20070285255
    Abstract: A mobile communication terminal apparatus includes a non-contact communication section configured to perform non-contact communication with an external terminal apparatus. The non-contact communication section includes a main unit having a controller configured to control communication with the external terminal apparatus and a main antenna, and a sub-unit having a sub-antenna having a coil whose number of windings is smaller than the number of windings of a coil of the main antenna and an adjuster configured to adjust a resonance frequency.
    Type: Application
    Filed: May 14, 2007
    Publication date: December 13, 2007
    Applicant: SONY ERICSSON MOBILE COMMUNICATIONS JAPAN, INC.
    Inventors: Takaaki TSUSHIMA, Hideaki Hatakeyama