Patents by Inventor Kyoji AKIYAMA

Kyoji AKIYAMA 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).

  • NON-CONTACT CHARGING SYSTEM AND NON-CONTACT CHARGING METHOD
    Publication number: 20140375257
    Abstract: The present invention provides a non-contact charging system which can transmit the information on the reception state from an electric power receiving device to an electric power transmitting device while performing the electric power reception. The non-contact charging system is configured with an electric power transmitting device which performs electric power transmission at a resonance frequency and an electric power receiving device which performs electric power reception at the resonance frequency. The electric power receiving device includes an adjustment unit which can adjust the resonance frequency; and a receiving-side control unit for adjusting the resonance frequency when a prescribed condition is satisfied.
    Type: Application
    Filed: May 28, 2014
    Publication date: December 25, 2014
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Kyoji AKIYAMA, Toshiki YAMAHIRA