Patents by Inventor lkuya MORIKAWA

lkuya MORIKAWA 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).

  • ELECTRONIC CIRCUIT, AUTHENTICATION SYSTEM, AND AUTHENTICATION METHOD
    Publication number: 20160267266
    Abstract: An electronic circuit includes a clock generator that generates a plurality of clock signals whose frequencies are mutually different, a plurality of RS latch circuits whose output signals change in accordance with the frequencies of the plurality of clock signals that are individually input from the clock generator, and a control circuit that controls the frequencies of the plurality of clock signals which are input from the clock generator to each of the plurality of RS latch circuits.
    Type: Application
    Filed: January 20, 2016
    Publication date: September 15, 2016
    Applicant: FUJITSU LIMITED
    Inventors: Dai YAMAMOTO, lkuya MORIKAWA, Masahiko TAKENAKA