Patents Assigned to Dai Nippon Insatsu Kabushika Kaisha
  • IC card
    Patent number: 4841134
    Abstract: The IC card of the present invention comprises an IC card comprising an IC module embedded in a card substrate, said IC card having a reinforcing sheet layer laid in the planar direction of the card so as to cover at least the peripheral portion of the boundary between the card substrate and the IC module, and/or has a reinforcing member comprising at least a part of the side portion of said IC module extended in the outer circumferential direction, and it is excellent in mechanical strength and flexibility against bending of card.
    Type: Grant
    Filed: July 25, 1986
    Date of Patent: June 20, 1989
    Assignee: Dai Nippon Insatsu Kabushika Kaisha
    Inventors: Yoshiaki Hida, Satoshi Ishihara, Seiji Take, Masao Gogami, Toshiyuki Suzuki