Patents by Inventor Tsutomu Ihara

Tsutomu Ihara 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).

  • Communication medium capable of carrying out contactless communication and method of producing the same
    Patent number: 7213765
    Abstract: In a communication medium used, for example, as an IC card or an IC tag, a metal plate is electrically connected to an antenna wire and embedded in a card base member together with the antenna wire. An IC module is also embedded in the card base member and electrically connected to the metal plate. A plurality of openings are formed in the metal plate to be opened on at least one of first and second principal surfaces defining a thickness direction of the metal plate.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: May 8, 2007
    Assignee: NEC Tokin Corporation
    Inventors: Katsuyoshi Koike, Tsutomu Ihara, Akihiro Takahashi
  • Communication medium capable of carrying out contactless communication and method of producing the same
    Publication number: 20050011960
    Abstract: In a communication medium used, for example, as an IC card or an IC tag, a metal plate is electrically connected to an antenna wire and embedded in a card base member together with the antenna wire. An IC module is also embedded in the card base member and electrically connected to the metal plate. A plurality of openings are formed in the metal plate to be opened on at least one of first and second principal surfaces defining a thickness direction of the metal plate.
    Type: Application
    Filed: June 30, 2004
    Publication date: January 20, 2005
    Applicant: NEC TOKIN Corporation
    Inventors: Katsuyoshi Koike, Tsutomu Ihara, Akihiro Takahashi