Patents by Inventor Tetshuhiro Ishikawa

Tetshuhiro Ishikawa 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 POWER TRANSMISSION DEVICE
    Publication number: 20120104998
    Abstract: A non-contact power transmission device includes an alternating current power supply, a resonant system, a load, an impedance measuring section and an analyzing section. The resonant system has a primary coil connected to the alternating current power supply, a primary-side resonant coil, a secondary-side resonant coil and a secondary coil. The load is connected to the secondary coil. The impedance measuring section can measure the input impedance of the resonant system. The analyzing section analyzes the measurement results obtained from the impedance measuring section.
    Type: Application
    Filed: February 8, 2010
    Publication date: May 3, 2012
    Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Kazuyoshi Takada, Sadanori Suzuki, Kenichi Nakata, Shimpei Sakoda, Yukihiro Yamamoto, Shinji Ichikawa, Tetshuhiro Ishikawa