Patents by Inventor Ichirou Ida

Ichirou Ida 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).

  • Control device for antenna matching circuit
    Publication number: 20050184922
    Abstract: A control device for an antenna matching circuit is configured to output an adjusting signal for changing impedance of an element in the antenna matching circuit based on change over time in signal power ratio of a reflected signal from the antenna matching circuit to an incident signal to the antenna matching circuit.
    Type: Application
    Filed: June 22, 2004
    Publication date: August 25, 2005
    Applicant: FUJITSU LIMITED
    Inventors: Ichirou Ida, Jun-ichi Takada, Takeshi Toda, Yasuyuki Oishi