Patents by Inventor Atsushi Nishii

Atsushi Nishii 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 POWER FEEDING UNIT, ELECTRONIC APPARATUS, AND METHOD OF CONTROLLING WIRELESS POWER FEEDING UNIT
    Publication number: 20150236544
    Abstract: A wireless power feeding unit includes a receiving antenna; a control circuit having a wireless communication function in accordance with a communication standard; an impedance matching circuit, connected between the receiving antenna and the control circuit, for impedance matching between the receiving antenna and the control circuit; a conversion circuit converting alternate-current power into a direct-current voltage; a resonant circuit connected between the receiving antenna and the conversion circuit, receiving, in a resonant condition, electromagnetic energy via the receiving antenna, and outputting alternate-current power; and a switch circuit, based on a control signal from the control circuit, connecting the receiving antenna with the impedance matching circuit or the resonant circuit selectively.
    Type: Application
    Filed: September 3, 2013
    Publication date: August 20, 2015
    Applicant: RICOH COMPANY, LTD.
    Inventors: Masaya Uchida, Junji Nishida, Atsushi Nishii