Patents by Inventor Kazufumi Teraji

Kazufumi Teraji 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).

  • Patent number: 4843226
    Abstract: For protecting a semiconductor chips from an electric destruction due to electrostatic charges. A card-shaped information storage medium used for providing data information to an information processing unit comprising (a) a board member of an insulating material having an first occupation area for at least one semiconductor chip capable of preserving the data informations and a second occupation area for a plurality of communication terminals electrically coupled to the semiconductor chip, (b) a protective member covering the semiconductor chip and exposing the communication terminals to the outside thereof, and (c) a protective shutter movable into or out of the protective member for shifting a position of the information storage medium between a closed state and an open state. The communication terminals are covered with the protective shutter in the closed state, thereby preventing the communication terminals from a human body with the electrostatic charges.
    Type: Grant
    Filed: January 14, 1988
    Date of Patent: June 27, 1989
    Assignee: NEC Corporation
    Inventors: Kaneyuki Kato, Kazufumi Teraji, Seiichi Nishino, Teruo Suzuki