Patents by Inventor Zenkichi Mihara

Zenkichi Mihara 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).

  • RFID module
    Patent number: 8917160
    Abstract: An RFID module including an antenna element forming an RFID antenna; an RFID circuit block to which the antenna element is connected; and a first resonance frequency adjustment circuit having an element that includes a drain terminal connected to the antenna element, a gate terminal that is grounded, and a source terminal that is grounded, wherein a pull-up resistor is connected between the drain terminal and a power supply.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: December 23, 2014
    Assignees: Sony Corporation, Sony Mobile Communications Inc.
    Inventors: Takaaki Tsushima, Toshiyuki Takahashi, Toshihiko Takeda, Zenkichi Mihara
  • RFID MODULE
    Publication number: 20120242456
    Abstract: An RFID module including an antenna element forming an RFID antenna; an RFID circuit block to which the antenna element is connected; and a first resonance frequency adjustment circuit having an element that includes a drain terminal connected to the antenna element, a gate terminal that is grounded, and a source terminal that is grounded, wherein a pull-up resistor is connected between the drain terminal and a power supply.
    Type: Application
    Filed: September 23, 2011
    Publication date: September 27, 2012
    Applicant: SONY ERICSSON MOBILE COMMUNICATIONS JAPAN, INC.
    Inventors: Takaaki TSUSHIMA, Toshiyuki Takahashi, Toshihiko Takeda, Zenkichi Mihara